"練驢踢時，不吃勁兒。。。"

來源: newgarden246 於 2017-02-08 21:14:56 [舊帖] [給我悄悄話] 本文已被閱讀：次

具體指做哪個動作時, 感到膝關節無力? hip-flexion-knee-flexion or hip-extension-knee-extension?

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.