五行通背拳 Five Elements Tongbei is an ancient martial arts system. The word Tong means “through” and the work Bei means “the back”. Hence, the principle of Tongbei is to apply power via the back. The essence of Tongbei is its reach, speed and explosive power. Tongbei is also an effective health and fitness training system because of its emphasis on stretching, fast motions and heightened mental focus.