by John Robert Cardillo The stomach vacuum is rarely seen on most modern bodybuilders’ physiques. It’s a physical attribute that very few bodybuilders possess in today’s competitive culture. It seems that heavily muscled bodybuilders have somehow developed such a thick core and serratus muscles that they’ve lost the ability to spread out the rib cage and “open the body up” when doing classic poses such as the double biceps, lat spread and side chest poses.  Read More…