If you're looking for quick muscle building, go no further than your local
gym, where doctors say that major strength gains can be had in just a few
Last year, the American College of Sports Medicine (ACSM) and the American
Heart Association updated their recommendations for physical
activity. In addition to regular cardio workouts, Americans are now being encouraged to
perform resistance training at least twice a week, working every major muscle
Spero Karas, MD, assistant professor...