Each time you place heavy stress on a muscle group in your bodybuilding workouts, you must rest that body part for 48-96 hours before blasting it in a succeeding training session. This rest period allows the muscle to fully recover and then increase in mass, tone, and strength between workouts. (I will tell you more about this recovery cycle a bit later in this article.)
Because you must rest for two or three days between workouts for each body part in order for your muscles to grow properly, beginning, level bodybuilders must train on three nonconsecutive days per week. Most commonly, this means training on Mondays, Wednesdays, and Fridays each week, resting on Tuesdays, Thursdays, and weekends. However, you can work