{"id":284364,"date":"2025-11-14T17:04:08","date_gmt":"2025-11-14T17:04:08","guid":{"rendered":"https:\/\/www.newsbeep.com\/au\/284364\/"},"modified":"2025-11-14T17:04:08","modified_gmt":"2025-11-14T17:04:08","slug":"reliability-of-muscle-architecture-assessment-using-clinical-ultrasound-in-post-stroke-patients-a-systematic-review-bmc-musculoskeletal-disorders","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/au\/284364\/","title":{"rendered":"Reliability of muscle architecture assessment using clinical ultrasound in post-stroke patients: a systematic review | BMC Musculoskeletal Disorders"},"content":{"rendered":"<p>A total of 130,484 records were identified. After screening titles and abstracts and removing duplicates, 44 studies underwent full-text review, with 12 deemed eligible for analysis. Additionally, 1 eligible study was identified through manual references screening. Thus, 13 studies were included for the final analysis. The studies screening and selection process is illustrated in Fig. <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"figure anchor\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#Fig1\" rel=\"nofollow noopener\" target=\"_blank\">1<\/a>.<\/p>\n<p>Fig. 1<a class=\"c-article-section__figure-link\" data-test=\"img-link\" data-track=\"click\" data-track-label=\"image\" data-track-action=\"view figure\" href=\"https:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4\/figures\/1\" rel=\"nofollow noopener\" target=\"_blank\"><img decoding=\"async\" aria-describedby=\"Fig1\" src=\"https:\/\/www.newsbeep.com\/au\/wp-content\/uploads\/2025\/11\/12891_2025_9294_Fig1_HTML.png\" alt=\"figure 1\" loading=\"lazy\" width=\"685\" height=\"539\"\/><\/a><\/p>\n<p>Flowchart of identification and screening of the included and excluded studies following the PRISMA 2020 guideline<\/p>\n<p>Study characteristicsBaseline of the study<\/p>\n<p>As presented in Table <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"table anchor\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#Tab2\" rel=\"nofollow noopener\" target=\"_blank\">2<\/a>, the 13 studies were published between 2011 and 2024, originating from Hong Kong of China [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e958\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e961\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>], Japan [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e964\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e964_1\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e964_2\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e967\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>], Turkey [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e971\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>], Korea [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e974\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e974_1\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e974_2\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e977\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>], Belgium [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e980\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], and France [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e983\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>]. A total of 440 post-stroke patients, aged between 48.0 and 80.5, were investigated. Of the selected studies, 9 investigated inter-rater reliability and 9 assessed intra-rater reliability.<\/p>\n<p>Table 2. Characteristics of the included studies [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#10;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#10;                  &#10;                .\" href=\"#ref-CR33\" id=\"ref-link-section-d485564e996\">33<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e996_1\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e996_2\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e996_3\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#10;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#10;                  &#10;                .\" href=\"#ref-CR37\" id=\"ref-link-section-d485564e996_4\">37<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#10;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#10;                  &#10;                .\" href=\"#ref-CR38\" id=\"ref-link-section-d485564e996_5\">38<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e996_6\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e996_7\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e996_8\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#10;                  https:\/\/doi.org\/10.1111\/cpf.12060&#10;                  &#10;                .\" href=\"#ref-CR42\" id=\"ref-link-section-d485564e996_9\">42<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#10;                  &#10;                .\" href=\"#ref-CR43\" id=\"ref-link-section-d485564e996_10\">43<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e999\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>]Ultrasound-based assessment<\/p>\n<p>In these 13 studies, the gastrocnemius [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1018\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 36\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#010;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR36\" id=\"ref-link-section-d485564e1021\" rel=\"nofollow noopener\" target=\"_blank\">36<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1024\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#10;                  https:\/\/doi.org\/10.1111\/cpf.12060&#10;                  &#10;                .\" href=\"#ref-CR42\" id=\"ref-link-section-d485564e1027\">42<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#10;                  &#10;                .\" href=\"#ref-CR43\" id=\"ref-link-section-d485564e1027_1\">43<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1030\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>] and tibialis anterior TA) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1034\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1037\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1040\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1043\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>] were the most frequently studied. Other commonly examined muscles included the deltoid muscle [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 34\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#010;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR34\" id=\"ref-link-section-d485564e1046\" rel=\"nofollow noopener\" target=\"_blank\">34<\/a>], flexor digitorum superficialis and flexor digitorum profundus (FDS\/FDP) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e1049\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>], plantar fascia, abductor hallucis (AbH), flexor hallucis brevis (FHB), flexor digitorum brevis (FDB) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e1053\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>], transversus abdominis, obliquus externus abdominis, obliquus internus abdominis [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 41\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#010;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR41\" id=\"ref-link-section-d485564e1056\" rel=\"nofollow noopener\" target=\"_blank\">41<\/a>], and supraspinatus [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 35\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#010;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR35\" id=\"ref-link-section-d485564e1059\" rel=\"nofollow noopener\" target=\"_blank\">35<\/a>], biceps brachii (BB) lateralis [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1062\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>], vastus intermedius [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1065\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>]. Additionally, muscle thickness MT) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1068\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1072\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e1072_1\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1075\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e1078\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e1078_1\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1081\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1084\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 45\" title=\"English CK, Thoirs KA, Fisher L, McLennan H, Bernhardt J. Ultrasound is a reliable measure of muscle thickness in acute stroke patients, for some, but not all anatomical sites: a study of the intra-rater reliability of muscle thickness measures in acute stroke patients. Ultrasound Med Biol. 2012;38:368\u201376. &#010;                  https:\/\/doi.org\/10.1016\/j.ultrasmedbio.2011.12.012&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR45\" id=\"ref-link-section-d485564e1087\" rel=\"nofollow noopener\" target=\"_blank\">45<\/a>]\u00a0were the most commonly analyzed parameter, followed by pennation angle (PA) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1091\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1094\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1097\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1100\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>], muscle cross-sectional area (CSA) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1103\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e1106\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 45\" title=\"English CK, Thoirs KA, Fisher L, McLennan H, Bernhardt J. Ultrasound is a reliable measure of muscle thickness in acute stroke patients, for some, but not all anatomical sites: a study of the intra-rater reliability of muscle thickness measures in acute stroke patients. Ultrasound Med Biol. 2012;38:368\u201376. &#010;                  https:\/\/doi.org\/10.1016\/j.ultrasmedbio.2011.12.012&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR45\" id=\"ref-link-section-d485564e1110\" rel=\"nofollow noopener\" target=\"_blank\">45<\/a>], muscle volume (MV) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1113\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], and muscle length (ML) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1116\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>].<\/p>\n<p>The 3D Ultrasound (frequency: 10 MHz) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1122\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], Medison Mysono P-US system (frequency: 6\u201214 MHz) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1125\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>], and 2D B-mode ultrasound (frequency: 7.5 MHz [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1128\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 34\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#010;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR34\" id=\"ref-link-section-d485564e1131\" rel=\"nofollow noopener\" target=\"_blank\">34<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1134\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1138\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>], 6\u201218 MHz [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e1141\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>], 4\u201215 MHz [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 46\" title=\"Hyun D, Kim JMY, Han N. Ultrasonographic Measurement of Transverse Abdominis in Stroke Patients. ANNALS OF REHABILITATION MEDICINE-ARM (2014). &#010;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#010;                  &#010;                \" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR46\" id=\"ref-link-section-d485564e1144\" rel=\"nofollow noopener\" target=\"_blank\">46<\/a>], 10 MHz [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1147\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>] 13 MHz [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 36\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#010;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR36\" id=\"ref-link-section-d485564e1150\" rel=\"nofollow noopener\" target=\"_blank\">36<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1153\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>], and 12 MHz employed in the selected studies. A linear probe was utilized and positioned transversely for assessing MV [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1157\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], ML [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1160\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1163\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], CSA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1166\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e1169\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>], MT [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1172\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1176\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e1176_1\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1179\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 41\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#010;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR41\" id=\"ref-link-section-d485564e1182\" rel=\"nofollow noopener\" target=\"_blank\">41<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1185\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>] and longitudinally for assessing MT [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1188\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 34\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#010;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR34\" id=\"ref-link-section-d485564e1191\" rel=\"nofollow noopener\" target=\"_blank\">34<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1195\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1198\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>], PA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1201\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 36\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#010;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR36\" id=\"ref-link-section-d485564e1204\" rel=\"nofollow noopener\" target=\"_blank\">36<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1207\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1210\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1214\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>], CSA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1217\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>]. A probe was commonly set at the origin over the muscle belly to the distal muscle-tendon junction of TA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1220\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], the muscle bully of MG and TA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1223\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>], the midpoint of the joint between the later al acromion edge of the shoulder peak and deltoid tuberosity of deltoid [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 34\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#010;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR34\" id=\"ref-link-section-d485564e1226\" rel=\"nofollow noopener\" target=\"_blank\">34<\/a>], the mid-forearm which is halfway from the ventral midline to the medial of FDS and FDP [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 38\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#010;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR38\" id=\"ref-link-section-d485564e1229\" rel=\"nofollow noopener\" target=\"_blank\">38<\/a>], the muscle 30% proximal between the medial malleolus of the fibula and the medial condyle of the tibia of gastrocnemius [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1233\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 36\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#010;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR36\" id=\"ref-link-section-d485564e1236\" rel=\"nofollow noopener\" target=\"_blank\">36<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1239\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>] and 20% of the distance from the head of the fibula to the tip of the lateral malleolus of TA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1242\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1245\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>], BB was found at the distal third (i.e., 66%) of the total humeral length between the coracoid process of the scapula and the crease of the cubital fossa on the radial side or. at two-thirds of the position from the acromion to the crease of the elbow [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1248\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 36\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#010;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR36\" id=\"ref-link-section-d485564e1252\" rel=\"nofollow noopener\" target=\"_blank\">36<\/a>], vastus lateralis and vastus intermedius was defined between the anterior superior iliac spine and the proximal end of the patella [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1255\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>].<\/p>\n<p>Quality assessment<\/p>\n<p>Of the 13 included studies, 12 were of high quality (scores 6\u20139), while 1 was of low quality (score 4), as summarized in Table <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"table anchor\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#Tab3\" rel=\"nofollow noopener\" target=\"_blank\">3<\/a>. The main reasons for point deductions included inadequate or missing descriptions of assessor blinding [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1269\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e1272\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1272_1\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e1272_2\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 37\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#010;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR37\" id=\"ref-link-section-d485564e1275\" rel=\"nofollow noopener\" target=\"_blank\">37<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e1278\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e1278_1\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e1278_2\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#10;                  https:\/\/doi.org\/10.1111\/cpf.12060&#10;                  &#10;                .\" href=\"#ref-CR42\" id=\"ref-link-section-d485564e1278_3\">42<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#10;                  &#10;                .\" href=\"#ref-CR43\" id=\"ref-link-section-d485564e1278_4\">43<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1282\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>], and information reporting during reproducibility procedures [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1285\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 34\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#010;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR34\" id=\"ref-link-section-d485564e1288\" rel=\"nofollow noopener\" target=\"_blank\">34<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 35\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#010;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR35\" id=\"ref-link-section-d485564e1291\" rel=\"nofollow noopener\" target=\"_blank\">35<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1294\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 41\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#010;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR41\" id=\"ref-link-section-d485564e1297\" rel=\"nofollow noopener\" target=\"_blank\">41<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1301\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], as well as inappropriate minimization of contact pressure during ultrasound scanning [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 16\" title=\"J\u00f8rgensen L, Jacobsen BK. Changes in muscle mass, fat mass, and bone mineral content in the legs after stroke: a 1 year prospective study. Bone. 2001;28:655\u20139. &#010;                  https:\/\/doi.org\/10.1016\/s8756-3282(01)00434-3&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR16\" id=\"ref-link-section-d485564e1304\" rel=\"nofollow noopener\" target=\"_blank\">16<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"van Tulder M, Furlan A, Bombardier C, Bouter L. Updated method guidelines for systematic reviews in the Cochrane collaboration back review group. Spine. 2003;28:1290\u20139. &#10;                  https:\/\/doi.org\/10.1097\/01.Brs.0000065484.95996.Af&#10;                  &#10;                .\" href=\"#ref-CR31\" id=\"ref-link-section-d485564e1307\">31<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#10;                  https:\/\/doi.org\/10.3390\/bios12050349&#10;                  &#10;                .\" href=\"#ref-CR32\" id=\"ref-link-section-d485564e1307_1\">32<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#10;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#10;                  &#10;                .\" href=\"#ref-CR33\" id=\"ref-link-section-d485564e1307_2\">33<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e1307_3\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1307_4\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 36\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#010;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR36\" id=\"ref-link-section-d485564e1310\" rel=\"nofollow noopener\" target=\"_blank\">36<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#10;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#10;                  &#10;                .\" href=\"#ref-CR38\" id=\"ref-link-section-d485564e1313\">38<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e1313_1\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e1313_2\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e1313_3\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1316\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1320\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 47\" title=\"Pretorius A, Keating JL. Validity of real time ultrasound for measuring skeletal muscle size. Phys Therapy Reviews. 2008;13:415\u201326. &#010;                  https:\/\/doi.org\/10.1179\/174328808X356447&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR47\" id=\"ref-link-section-d485564e1323\" rel=\"nofollow noopener\" target=\"_blank\">47<\/a>].<\/p>\n<p>Table 3. Methodological quality of the included studies [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#10;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#10;                  &#10;                .\" href=\"#ref-CR33\" id=\"ref-link-section-d485564e1336\">33<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e1336_1\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1336_2\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e1336_3\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#10;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#10;                  &#10;                .\" href=\"#ref-CR37\" id=\"ref-link-section-d485564e1336_4\">37<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#10;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#10;                  &#10;                .\" href=\"#ref-CR38\" id=\"ref-link-section-d485564e1336_5\">38<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e1336_6\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e1336_7\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e1336_8\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#10;                  https:\/\/doi.org\/10.1111\/cpf.12060&#10;                  &#10;                .\" href=\"#ref-CR42\" id=\"ref-link-section-d485564e1336_9\">42<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#10;                  &#10;                .\" href=\"#ref-CR43\" id=\"ref-link-section-d485564e1336_10\">43<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1339\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>]Reliability of ultrasound-based measurements<\/p>\n<p>As summarized in Table <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"table anchor\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#Tab4\" rel=\"nofollow noopener\" target=\"_blank\">4<\/a>, ultrasound demonstrated excellent intra- and inter-rater reliability (ICC &gt;0.90) in assessing MT of the MG [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 32\" title=\"Lyu PZ, et al. How Paretic and Non-Paretic ankle muscles contract during walking in stroke survivors: new insight using novel wearable ultrasound imaging and sensing technology. Biosensors. 2022;12. &#010;                  https:\/\/doi.org\/10.3390\/bios12050349&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR32\" id=\"ref-link-section-d485564e1361\" rel=\"nofollow noopener\" target=\"_blank\">32<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1364\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>], and moderate-to-excellent intra- (ICC = 0.74\u20130.92 [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1367\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>]) and inter-rater (ICC = 0.69\u20130.96 [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1370\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>]) reliability in measuring the MT of TA. Additionally, good-to-excellent inter-rater reliability was also observed in assessing MT of the deltoid (ICC = 0.84\u20130.93) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 34\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#010;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR34\" id=\"ref-link-section-d485564e1374\" rel=\"nofollow noopener\" target=\"_blank\">34<\/a>], supraspinatus (ICC &gt;0.98) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 35\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#010;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR35\" id=\"ref-link-section-d485564e1377\" rel=\"nofollow noopener\" target=\"_blank\">35<\/a>], and abdominal muscles (ICC &gt;0.92) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 41\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#010;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR41\" id=\"ref-link-section-d485564e1380\" rel=\"nofollow noopener\" target=\"_blank\">41<\/a>].<\/p>\n<p>Table 4. Reliability of muscle architectural measurements obtained from ultrasound [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#10;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#10;                  &#10;                .\" href=\"#ref-CR33\" id=\"ref-link-section-d485564e1393\">33<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e1393_1\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1393_2\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e1393_3\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#10;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#10;                  &#10;                .\" href=\"#ref-CR37\" id=\"ref-link-section-d485564e1393_4\">37<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#10;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#10;                  &#10;                .\" href=\"#ref-CR38\" id=\"ref-link-section-d485564e1393_5\">38<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e1393_6\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e1393_7\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 41\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#010;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR41\" id=\"ref-link-section-d485564e1396\" rel=\"nofollow noopener\" target=\"_blank\">41<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1399\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1402\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>]<\/p>\n<p>Regarding PA, ultrasound exhibited moderate-to-excellent intra-rater (ICC = 0.69\u20130.99) and inter-rater (ICC = 0.70\u20130.98) reliability in MG assessment [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1416\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>, <a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 42\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#010;                  https:\/\/doi.org\/10.1111\/cpf.12060&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR42\" id=\"ref-link-section-d485564e1419\" rel=\"nofollow noopener\" target=\"_blank\">42<\/a>]. Similarly, good-to-excellent intra-rater (ICC = 0.92\/0.99 [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 40\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR40\" id=\"ref-link-section-d485564e1422\" rel=\"nofollow noopener\" target=\"_blank\">40<\/a>]) and inter-rater (ICC = 0.81\u20130.93 [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 18\" title=\"Horai N, Tsusaki H. [Muscle mass measurement by DXA and MRI in non-human primates]. Nihon Yakurigaku Zasshi Folia Pharmacol Japonica. 2018;152:126\u201331. &#010;                  https:\/\/doi.org\/10.1254\/fpj.152.126&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR18\" id=\"ref-link-section-d485564e1425\" rel=\"nofollow noopener\" target=\"_blank\">18<\/a>]) reliability were observed in TA.<\/p>\n<p>For CSA, ultrasound also presented good-to-excellent intra-rater reliability in measuring CSA of the FDS (ICC = 0.82) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1431\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>], BB (ICC = 0.95) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1434\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>], and MG (ICC = 0.97) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1437\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>], as well as good-to-excellent inter-rater reliability in evaluating CSA of the FDS (ICC = 0.76\/0.96) [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 39\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR39\" id=\"ref-link-section-d485564e1440\" rel=\"nofollow noopener\" target=\"_blank\">39<\/a>]. Furthermore, ultrasound demonstrated excellent intra- and inter-rater reliability for measuring MV in the TA, with all ICC values &gt;0.9 ML assessment, it showed excellent intra- and inter-rater reliability (ICC &gt;0.9) in the TA [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 43\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#010;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR43\" id=\"ref-link-section-d485564e1443\" rel=\"nofollow noopener\" target=\"_blank\">43<\/a>], along with good intra-rater reliability in the MG and BB, each with ICC values of 0.89 [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 33\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#010;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR33\" id=\"ref-link-section-d485564e1447\" rel=\"nofollow noopener\" target=\"_blank\">33<\/a>].<\/p>\n<p>Table <a data-track=\"click\" data-track-label=\"link\" data-track-action=\"table anchor\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#Tab5\" rel=\"nofollow noopener\" target=\"_blank\">5<\/a> summarizes the evidence for the reliability of ultrasound-based muscle measurements in post-stroke patients. Strong evidence supports moderate-to-excellent reliability for MT and PA. Moderate evidence indicates good-to-excellent reliability for CSA and ML and excellent reliability for MV.<\/p>\n<p>Table 5. Level of evidence [<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Miller T, Ying MTC, Chung RCK, Pang MYC. Convergent validity and Test-Retest reliability of multimodal ultrasonography and related clinical measures in people with chronic stroke. Arch Phys Med Rehabil. 2022;103:459\u2013e472454. &#10;                  https:\/\/doi.org\/10.1016\/j.apmr.2021.09.015&#10;                  &#10;                .\" href=\"#ref-CR33\" id=\"ref-link-section-d485564e1466\">33<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Liu S, et al. The reliability and effectiveness of shoulder joint evaluation by ultrasonography in stroke patients: deltoid muscle thickness, acromion-humeral distance, acromion-lesser tuberosity distance. J Phys Therapy Sci. 2022;34:31\u20135. &#10;                  https:\/\/doi.org\/10.1589\/jpts.34.31&#10;                  &#10;                .\" href=\"#ref-CR34\" id=\"ref-link-section-d485564e1466_1\">34<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Xie H, et al. Reliability of ultrasonographic measurement of the supraspinatus thickness at different angles of shoulder abduction in patients with stroke. J Phys Therapy Sci. 2020;32:257\u20139. &#10;                  https:\/\/doi.org\/10.1589\/jpts.32.257&#10;                  &#10;                .\" href=\"#ref-CR35\" id=\"ref-link-section-d485564e1466_2\">35<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Okazaki T, Nagai S. Examination of evaluation indicators for spasticity in stroke patients using ultrasound imaging equipment. J Phys Therapy Sci. 2024;36:776\u201381. &#10;                  https:\/\/doi.org\/10.1589\/jpts.36.776&#10;                  &#10;                .\" href=\"#ref-CR36\" id=\"ref-link-section-d485564e1466_3\">36<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Akazawa N, et al. Relationships between muscle mass, intramuscular adipose and fibrous tissues of the quadriceps, and gait independence in chronic stroke survivors: a cross-sectional study. Physiotherapy. 2018;104:438\u201345. &#10;                  https:\/\/doi.org\/10.1016\/j.physio.2017.08.009&#10;                  &#10;                .\" href=\"#ref-CR37\" id=\"ref-link-section-d485564e1466_4\">37<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kenis-Coskun O, Giray E, Gencer-Atalay ZK, Yagci I, Karadag-Saygi E. Reliability of quantitative ultrasound measurement of flexor digitorum superficialis and profundus muscles in stroke. J Comp Eff Res. 2020;9:1293\u2013300. &#10;                  https:\/\/doi.org\/10.2217\/cer-2020-0105&#10;                  &#10;                .\" href=\"#ref-CR38\" id=\"ref-link-section-d485564e1466_5\">38<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho J-E, Cho KH, Yoo Js, Lee SJ, Lee W-H. Reliability and validity of a dual-probe personal computer-based muscle viewer for measuring the pennation angle of the medial gastrocnemius muscle in patients who have had a stroke. Top Stroke Rehabil. 2017;25:6\u201312. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1383723&#10;                  &#10;                .\" href=\"#ref-CR39\" id=\"ref-link-section-d485564e1466_6\">39<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Intra- and inter-rater reliabilities of measurement of ultrasound imaging for muscle thickness and pennation angle of tibialis anterior muscle in stroke patients. Top Stroke Rehabil. 2017;24:368\u201373. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2017.1285745&#10;                  &#10;                .\" href=\"#ref-CR40\" id=\"ref-link-section-d485564e1466_7\">40<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Kim HD, You JM, Han N, Eom MJ, Kim JG. Ultrasonographic measurement of transverse abdominis in stroke patients. Annals Rehabilitation Med. 2014;38:317\u201326. &#10;                  https:\/\/doi.org\/10.5535\/arm.2014.38.3.317&#10;                  &#10;                .\" href=\"#ref-CR41\" id=\"ref-link-section-d485564e1466_8\">41<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Cho KH, Lee HJ, Lee WH. Reliability of rehabilitative ultrasound imaging for the medial gastrocnemius muscle in poststroke patients. Clin Physiol Funct Imaging. 2014;34:26\u201331. &#10;                  https:\/\/doi.org\/10.1111\/cpf.12060&#10;                  &#10;                .\" href=\"#ref-CR42\" id=\"ref-link-section-d485564e1466_9\">42<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" title=\"Schillebeeckx F, et al. Defining tibial anterior muscle morphology in first-ever chronic stroke patients using three-dimensional freehand ultrasound. Top Stroke Rehabil. 2024. &#10;                  https:\/\/doi.org\/10.1080\/10749357.2024.2333184&#10;                  &#10;                .\" href=\"#ref-CR43\" id=\"ref-link-section-d485564e1466_10\">43<\/a>,<a data-track=\"click\" data-track-action=\"reference anchor\" data-track-label=\"link\" data-test=\"citation-ref\" aria-label=\"Reference 44\" title=\"Mathevon L, et al. Two-dimensional and shear wave elastography ultrasound: A reliable method to analyse spastic muscles? Muscle Nerve. 2017;57:222\u20138. &#010;                  https:\/\/doi.org\/10.1002\/mus.25716&#010;                  &#010;                .\" href=\"http:\/\/bmcmusculoskeletdisord.biomedcentral.com\/articles\/10.1186\/s12891-025-09294-4#ref-CR44\" id=\"ref-link-section-d485564e1469\" rel=\"nofollow noopener\" target=\"_blank\">44<\/a>]<\/p>\n","protected":false},"excerpt":{"rendered":"A total of 130,484 records were identified. After screening titles and abstracts and removing duplicates, 44 studies underwent&hellip;\n","protected":false},"author":2,"featured_media":284365,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[64,63,7274,27394,164277,96141,29199,79683,27395,9932,11617,105,14110],"class_list":["post-284364","post","type-post","status-publish","format-standard","has-post-thumbnail","category-technology","tag-au","tag-australia","tag-epidemiology","tag-internal-medicine","tag-muscle-assessment","tag-orthopedics","tag-rehabilitation","tag-reliability","tag-rheumatology","tag-sports-medicine","tag-stroke","tag-technology","tag-ultrasound"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/284364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/comments?post=284364"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/posts\/284364\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media\/284365"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/media?parent=284364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/categories?post=284364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/au\/wp-json\/wp\/v2\/tags?post=284364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}