A.30°~40° B.40°~50° C.50°~60° D.60°~70° E.70°~80°
A.0°~10° B.12°~15° C.15°~20° D.20°~25° E.25°~30°
A.臀大肌 B.臀中肌 C.髂腰肌 D.股二頭肌 E.股四頭肌