Joe Weider's Bodybuilding Training System, Session 3: Back & Biceps

Session 3 covers functions of the biceps and back muscles, and introduces viewers to training exercises for these muscles. Session 3 covers functions of the biceps and back muscles, and introduces viewers to training exercises for these muscles. Session 3 covers functions of the biceps and back muscles, and introduces viewers to training exercises for these muscles. Session 3 covers functions of the biceps and back muscles, and introduces viewers to training exercises for these muscles.