workout. Some programs have no progression from one day to the other. Another unique feature is that final balls-out set in each workout. You don't have to go beyond the prescribed reps if you don't feel like it, but there are real benefits to doing so. I've always thought of doing the prescribed reps as simply testing your strength. Anything over and above that builds strength, muscle, and character. Yes, that last set is the one that puts hair on your chest, but the system doesn't work without the sets that precede it. I tried cutting those out but I got smaller and weaker. There might be only one really hard set, but the other sets are still quality work. Jim Wendler Chalk Assistance Work Along with the bench press, squat, shoulder press, and deadlift, 5/3/1 includes assistance exercises to build muscle, prevent injury, and .