Whenever Grok needed to lift something really, really heavy, he drew upon the adenosine triphosphate phospho-creatine (ATP-PC) energy system. If he saw an opportunity to cut off a fleeing buck and had mere seconds to act, Grok would engage his ATP-PC energy to summon the requisite sprinting speed. Today, we use the very same energy pathways. The very same potential for feats of immense, instantaneous strength and power resides in our muscles (some of us more than others, sure, but that can be al