A.13~15mm B.11~12mm C.9~10mm D.6~8mm E.2~5mm
A.肱二頭肌 B.肱三頭肌 C.肱肌 D.喙肱肌 E.肱橈肌
A.等長收縮 B.向心性收縮 C.無收縮 D.離心性收縮 E.緊張收縮