Yin Jin Jing is a set of 12 postures. This exercise routine will stretch our tendons and joints. It helps to promote both blood circulation and Qi flow along their pathways to internal organs. How to do the move is illustrated with photo. Qi theory is also briefly discussed. It is a must have book for both beginners and advanced practitioners. A step by step instruction is provided. Key points to pay attention to are listed. Eat right and rest properly. Daily exercise or walking. In addition, stretch your muscle and bone with Yi Jin Jing. Live a healthier and longer life. Health secrets that eluded so many are explained in plain English.