This book elucidates how sports science theories can be applied to Wing Chun Kung Fu and other combat sports in general. It helps martial art practitioners to understand how their performance can be optimized if they are cognizant about the principles of sports science. For example, sports conditioning, injury management, nutrition, cardiopulmonary physiology, psychology, and sports rehab methods are all crucial in performance optimization. This book is not intended to teach martial arts and self-defense. However, it encourages practitioners to appreciate how science can be incorporated into their training.