24 下列那一群肌肉的收縮會造成手指以中指(middle finger)為中心外展(abduction)的動作?
(A)掌短肌(palmaris brevis)
(B)骨間背側肌(dorsal interossei)
(C)骨間掌側肌(palmar interossei)
(D)蚓狀肌(lumbricals)
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統計: A(1), B(105), C(15), D(12), E(0) #828071
統計: A(1), B(105), C(15), D(12), E(0) #828071