游添燈2019-12-252019-12-252011https://www.airitilibrary.com/Publication/alDetailedMesh?DocID=19912498-201104-201109290011-201109290011-17-30https://scholars.lib.ntu.edu.tw/handle/123456789/438903肚臍到命門的轉向：太極拳中點系統與線系統之差異比較=Turning from the Umbilicus to the Gate of Life: A Comparative Study of the Point System and the Line System in Tai-Chi Chuanjournal article