Nei Gong: The Authentic Classic, (Nei Gong Zhen Chuan) is an obscure text of unknown origin, yet it stands alone as the definitive text on internal energy and the generation of internal power. Hand copied, and passed from teacher to student, it is one of the "secret transmissions" of Chinese martial arts. Nei Gong: The Authentic Classic, is a practical manual on internal energy development and its fundamental importance in the martial arts and fa jin (emitting force). It draws heavily on Daoist meditation and alchemical practices which are said...