Learn to understand lower back pain and heal it through gentle yoga exercises. Liz Owen, a yoga instructor who specializes in alleviating back pain, describes the anatomy of the sacrum and the region around it, including the hips and lumbar spine. She discusses both the Western and Eastern approaches to understanding back pain-particularly the Eastern medical notion of energy flow and how that relates specifically to the sacrum and the many related muscles and joints, and the chakras, or energetic points, that relate to the area.