http://askthetrainer.com/total-gym-workout-videos.html Total Gym Push-ups are more of a core exercise than a chest exercise. Since the bench is free to go up or down, you must stabilize your core and shoulders 100% of the time when you are doing the exercise. http://askthetrainer.com/total-gym-workout-videos.html Personal Trainer Michael Behnken, MS, CSCS