MS of five young men lifting weights. Tracking shot of a boy doing the pole volt. Medium tracking shot of a boy hurdling. MS of a boy swimming. MS of six boys playing basketball. MCU of a boy in his football uniform catching a football. LS of a boy doing a back flip off of a high dive at a pool. MS of two people playing tennis. Multiple shots of boys performing a high jump. MCU of a group of boys running on a track. MS of two boys help another boy lift weights. The next sequence of shot demonstrates how one should warm up using weights and how many repetitions one should do .