14:21
ダルい、キツイはサヨウナラ!ベストな筋トレ効果を出す50歳以上のルールが必要。ただ筋トレだけをやってても、ダメなんです。
12:44
Even middle-aged people who can't do pull-ups can train their backs with pull-ups! You can go up!
39:23
150 Pullups + 400 Dips, Push/Pull Calisthenics Workout | Eric Rivera
18:39
[Shocking] The strongest push-up that surpasses the bench press! A scientifically explained muscl...
13:15