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.
How to Do Barbell Lunges. 1  Keep your chest up. 2  Place the bar on your muscles, not on the spine. 3  Brace the abs. 4  Keep the arch position in the lower back. 5  Walk on rails. 6  Large steps. 7  Keep the weight above the front leg. 8  Directly down. 9  Push through the heel.