Box Jumps Are Super Fun
Lifehacker,
I did box jumps for the first time last week. I mean, I’ve probably jumped on boxes before, but I only recently visited a gym…
I did box jumps for the first time last week. I mean, I’ve probably jumped on boxes before, but I only recently visited a gym…
トレーニング中の休憩は、セット数や反復(レップ)回数と同じく
Rest between sets and exercises has as large an impact on your fitness as the number of sets and reps…