What muscle group do you train x2 during your split and why? I train back twice during my split because I concentrate 1 day on upper back and 1 day on lower back. Additionally, I feel my back was neglected when I first started training because it isn't a show muscle and it is more difficult to see in the mirror. I also concentrated more and bench press and squats. Now that I understand its importance, especially if I ever end up doing a show, I hit it hard. I feel I should also do legs x2 a week but that is more difficult because it gets in the way of doing cardio. So I do legs on Saturday and take off on Sunday. What does everyone else do?