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.
1 Cardiovascular exercise, such as aerobics, running, biking, and dancing, exercises your heart and lungs, increasing the efficiency with which your body supplies oxygen to its muscles. 2  As a result, your body's endurance and stamina will gradually increase (and its fatigue levels decrease) with cardiovascular exercise.