{"id":845089,"date":"2026-08-03T22:46:14","date_gmt":"2026-08-03T22:46:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/ca\/845089\/"},"modified":"2026-08-03T22:46:14","modified_gmt":"2026-08-03T22:46:14","slug":"once-weekly-workout-burns-nearly-as-much-fat-as-3-workouts-a-week","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ca\/845089\/","title":{"rendered":"Once-weekly workout burns nearly as much fat as 3 workouts a week"},"content":{"rendered":"<p>One and done.<\/p>\n<p>The <a href=\"https:\/\/www.cdc.gov\/physical-activity-basics\/guidelines\/adults.html\" target=\"_blank\" rel=\"noopener nofollow\">CDC<\/a> and <a href=\"https:\/\/www.who.int\/initiatives\/behealthy\/physical-activity\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">other health agencies<\/a> recommend adults aim for at least 150 minutes of moderate aerobic activity, along with two muscle-strengthening sessions a week.<\/p>\n<p>However, research suggests you may need much less than that to shed as much fat as through three weekly workouts.<\/p>\n<p><img style=\"aspect-ratio:1.49926794;display:block\" loading=\"lazy\" decoding=\"async\" data-modal-image=\"40165101\" width=\"885\" height=\"590\" src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2026\/08\/noticing-imperfections-young-woman-noticing-136354502.jpg\" alt=\"Young woman pinching fat on her waist while looking in a mirror.\" class=\"wp-image-40165101\"  \/>A once-a-week workout may be just as effective at burning fat as three weekly workouts, according to a study. Viacheslav Yakobchuk \u2013 stock.adobe.com<\/p>\n<p>Excess belly fat, namely <a href=\"https:\/\/my.clevelandclinic.org\/health\/diseases\/24147-visceral-fat\" target=\"_blank\" rel=\"noopener nofollow\">visceral fat<\/a> around the abdomen, is closely linked to several health issues like cardiovascular disease, type 2 diabetes and even <a href=\"https:\/\/nypost.com\/2025\/06\/21\/health\/excess-belly-fat-has-surprising-link-to-chronic-skin-condition-study\/\" rel=\"nofollow noopener\" target=\"_blank\">inflammatory skin conditions<\/a>.<\/p>\n<p>But the next step to lose belly fat could be as easy as a once-a-week workout.<\/p>\n<p>A study published in the journal <a href=\"https:\/\/www.nature.com\/articles\/s41467-025-68149-7\" target=\"_blank\" rel=\"noopener nofollow\">Nature Communications<\/a> found the effects of one weekly session of high intensity interval training on heart health and body fat were comparable to three days of the same exercise.<\/p>\n<p>Researchers at the University of Hong Kong compared adults with abdominal obesity who did one 75-minute session of interval training on a treadmill per week, or split the 75-minute session into three workouts across the week.\u00a0<\/p>\n<p>The training sessions consisted of four 4-minute high-intensity intervals with resting intervals at three minutes in between, for a total of 25 minutes per session.<\/p>\n<p>The once-a-week group completed each 25-minute session in three sets, with a break of 15 to 30 minutes in between each set.<\/p>\n<p>Total body fat mass, body fat percentage and waist circumference were measured at the beginning of the study, after four months and again at eight months from the start.<\/p>\n<p>Both groups saw significant reductions in total body fat after four months, with the once-a-week group losing around 2.6% and the three workouts a week group losing about 3.5%.<\/p>\n<p><img style=\"aspect-ratio:1.49926794;display:block\" loading=\"lazy\" decoding=\"async\" data-modal-image=\"40166916\" width=\"885\" height=\"590\" src=\"https:\/\/www.newsbeep.com\/ca\/wp-content\/uploads\/2026\/08\/side-view-two-attractive-sports-62326610.jpg\" alt=\"Two women run on treadmills at a gym.\" class=\"wp-image-40166916\"  \/>One weekly 75-minute session of high intensity interval training (HIIT) proved to have similar effects on heart health and body fat compared to three 25-minute sessions. Vasyl \u2013 stock.adobe.com<\/p>\n<p>This suggests the total amount of exercise is more important than how exercise is spread throughout the week.<\/p>\n<p>And although fat loss petered out after another four months, participants continued to see reductions in their <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC7027970\/\" target=\"_blank\" rel=\"noopener nofollow\">waistlines<\/a>, an indicator of less visceral fat.<\/p>\n<p>This \u201cweekend warrior\u201d approach \u2014 people who cram exercise into Saturdays and Sundays \u2014 could prove beneficial for those in a time crunch.<\/p>\n<p>\u201cInstead of relying solely on high-frequency exercise prescriptions, once-weekly interval training can be considered a feasible and effective alternative,\u201d lead study researcher Professor Parco Siu Ming-fai said.<\/p>\n<p>Weekend-only exercisers lower their risk of more than 200 diseases just as much as those who go to the gym throughout the week, another study found.<\/p>\n<p>High intensity interval training has numerous benefits, even if you leave working out to the weekends.<\/p>\n<p>Regularly <a href=\"https:\/\/health.clevelandclinic.org\/think-you-cant-do-high-intensity-interval-training-think-again\" target=\"_blank\" rel=\"noopener nofollow\">upping the intensity<\/a> can reduce blood pressure, boost metabolism, lower blood sugar levels and burn more calories long after exercise.<\/p>\n<p>And some interval training sessions can even be done in as little as <a href=\"https:\/\/nypost.com\/2025\/02\/08\/health\/the-viral-7-minute-workout-delivers-but-theres-a-catch\/\" rel=\"nofollow noopener\" target=\"_blank\">20 minutes<\/a>, using only a wall, a chair and your body weight.<\/p>\n<p>However, too much <a href=\"https:\/\/nypost.com\/2024\/06\/09\/health\/how-just-one-high-intensity-workout-can-lead-to-weight-gain\/\" rel=\"nofollow noopener\" target=\"_blank\">HIIT can backfire<\/a> by disturbing cortisol levels and leading to less activity, lower body temperature and weight gain.<\/p>\n","protected":false},"excerpt":{"rendered":"One and done. The CDC and other health agencies recommend adults aim for at least 150 minutes of&hellip;\n","protected":false},"author":2,"featured_media":845090,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[49,48,408,407,84,1229,14592,953],"class_list":["post-845089","post","type-post","status-publish","format-standard","has-post-thumbnail","category-fitness","tag-ca","tag-canada","tag-exercise","tag-fitness","tag-health","tag-obesity","tag-study-says","tag-weight-loss"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/845089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/comments?post=845089"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/posts\/845089\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media\/845090"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/media?parent=845089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/categories?post=845089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ca\/wp-json\/wp\/v2\/tags?post=845089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}