Yujin Reveals Diet Secret: Daily 32-Floor Stair Climb 조선일보Yu-jin and Lee Seung-gi also beat the arm wrestling queen…Certification of Women’s Kim Jong-kook SportsChosunYujin reveals stair workout secret, climbs 32 flights daily – CHOSUNBIZ Chosun BizKi Tae-young ♥ Yu-jin, do you go up with strength…女High praise for Kim Jong-guk’s exercise method (Ok Moon-ah) SportsChosun