The term "kung fu" not only refers to martial arts, but also to individuals who possess exceptional skills in any activity. This stems from years of rigorous training with infinite difficulty. Is it possible to have kung fu in ordinary movements such as walking, jumping, turning, and even lying down? Harry Yuan is an American fitness coach, sports science graduate, and traveler who has returned to his roots and kung fu land: China. Inspired by the exploration of sports art, Harry received training from a sports master to twist his body in ways he had never imagined, and to use muscles he had never known existed when exploring the art and science of extreme sports..