Fitness books love fad diets, creative exercise regimens, and, most of all, catchy headlines and marketing. But real success in fitness, sports, work, and life all begin with understanding and optimizing the human balance system. Proper balance is the key to unlocking your full athletic potential and can quickly help you become a faster running, smoother pivoting, better aiming, throwing, and hitting performer, with far lower risk of injury. But there's a dark side to the story of balance. Over the past decade, deaths by fall have doubled and falls have cemented themselves as the...