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.
You can choose to do weight lifting exercises such as pec flyes or use your own body weight with moves such as pushups to sculpt your chest muscles and burn excess calories and fat. Perform one set of eight to 12 reps of each exercise to start. Gradually build up to three sets as you get stronger.