What is Yin Yoga? Yin Yoga is a style of yoga practice that targets the connective tissues, such as the ligaments, bones, and even the joints of the body that normally are not exercised very much in a more active style of asana practice. Suitable for almost all levels, Yin Yoga is a perfect complement to the dynamic and muscular (yang) styles of yoga that emphasize internal heat, and the lengthening and contracting of our muscles. Yin Yoga generally targets the connective tissues of the hips,