Article Posted Under: Exercises and Workout Routines» When you pair up body parts, i.e. chest/back you will only be performing 3 or 4 exercises for each. Oct 24, Bodybuilding workouts include cardio and resistance training; they aid in look at what muscle groups to work together using a 3-day split schedule. four days to train the body parts twice while those training on a three-day. Apr 5, With proper diet, rest and supplementation it is possible to get enough recovery so you can train each muscle twice per week. When training each muscle group twice per week, how many weight training sessions should there be per week? How does training each muscle group twice per.