Eternal Spring Chi Kung Author:C.K. Chu Master C.K. Chu reveals a new simplified system of energy training and internal conditioning called Eternal Spring Chi Kung. Born out of his lifes work practicing and teaching the esoteric internal martial arts of Nei Kung and Tai Chi Chuan, Eternal Spring is intended for all people, young and old, to introduce them to a time-tested metho... more »d of self-development that can revolutionize their lives. Eternal Spring is easier to learn than the Tai Chi form, but still highly effective; it cultivates inner vital life force, or chi, improves overall strength and health, and properly aligns the body and increases range of motion. No rigorous physical activity such as jumping, bouncing or pounding of the joints is involved. It is simple to practice alone and fits into any work schedule.« less