19:47
筋トレ失敗談ー恥ずかしいけど全部話します
14:38
50歳以上が優先的に鍛えるべき筋肉TOP５！
16:37
Why didn't people lose weight by doing back lunges?
16:02
[True story] Don't try this at home! The damage to my life from doing 3 sets of Bulgarian squats ...
7:32