Yi Yang1, Zhanghua Li2, Jinsen He3 1 Department of Health Care and Rehabilitation, Wuhan Institute of Physical Education, Wuhan, 430079 China 2 Department of orthopedics, Renmin hospital, Wuhan University, Wuhan, 430060 China 3College of Acupuncture and Massage, Shanghai University of TCM, Shanghai, 201203 China