Understanding Qigong DVD2: Keypoints of Qigong / Qigong Breathing: The complete "Understanding Qigong" series by Dr. Yang, Jwing-Ming. Learn how and why Qigong works to increase your energy and improve your circulation. The Chinese word Qigong means 'energy work'. Qigong is the ancient art of using the mind to naturally develop the body's Qi (energy) for improved health and longevity. Dr. Yang's systematic approach to teaching offers deep insight into the subject of Qigong with modern scientific data to support his theory from both an Eastern and Western perspective.