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.
To do them: 1  Lay on your back with a dumbbell in each hand. 2  Extend your arms out to your side, as if your were forming a cross. 3  Slowly, with your arms still extended, curl your hands together until the dumbbells meet above the center of your chest. 4  Slowly return your arms back to your sides.
Tax your chest with the wide-grip bench press. The bench press is one of the most popular exercises for working and building the muscles of the chest. There are several variations to the exercise including the use of an inclined, declined or flat bench and the use of different grips.