A.12~15mm B.10~12mm C.8~10mm D.6~8mm E.2~5mm
A.肱二頭肌 B.肱三頭肌 C.肱肌 D.肱橈肌 E.喙肱肌
A.等長收縮B.向心性收縮C.離心性收縮D.無收縮E.緊張收縮