Chinese Qigong: Yi Jin Jing - Enhace inner energy-3 According to legend, Yi Jin Jing was brought to China from India by Bodhidharma during the Tang Dynasty. But in terms of actual theory and practice effect, it is a set of Qigong that combines Buddhism and Taoism. According to Taoist theory, the spleen governs muscles, the liver governs tendons, the kidney governs bones, the heart governs blood vessels, and the lungs govern qi. The main purpose of Yi Jin Jing practice is tendons, bones, and qi.