Marine Corps Reference Publication (MCRP) 5-12C, Marine Corps Supplement to the. Department of Defense Dictionary of Military and Associated Terms, is an extension of. JP 1-02 and provides Marine Corps-specific terms and definitions.
The first workout starts with a modified tri-set for the chest, designed to pump your pecs and stretch the connective tissue that surrounds them, thereby allowing more room under your skin for the muscles to grow. The second chest blast is done by pairing pushups with very heavy sets of dumbbell bench presses.
Push-Ups. Push-ups are upper body muscular endurance exercises that target your chest and arms specifically. Lie face-down on the floor with your hands slightly wider apart than shoulder-width and your toes hip-width apart. In a controlled motion, push yourself up, tighten your core and straighten your back.