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.
An effective chest exercise is key to any chest routine as it not only builds the pectoral muscles, but also your triceps and shoulders and therefore its importance canât be stressed enough. The pectorals are large muscles and both lower and upper chest exercises are needed to build all round size and strength.