Dragon and Tiger Medical Qi Gung is practiced by millions of people in China to release stress and maintain superior health, as well as to help prevent cancer and heal chronic disease. Chi, internal life-force energy, is the foundation of all Chinese medicine, as well as the power behind the internal martial arts. In acupuncture, needles are inserted into specific points along energy channels to stimulate and balance chi flow throughout the body. Dragon and Tiger uses your hands and simple body movements to achieve the same goal. Suitable for all ages and fitness levels.