19 下列何肌於肩關節處可伸展(extend)、內收(adduct)與內旋(medial rotate)上臂?
(A)棘下肌(infraspinatus)
(B)大圓肌(teres major)
(C)胸大肌(pectoralis major)
(D)肩胛下肌(subscapularis)

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統計: A(0), B(1), C(2), D(2), E(0) #865452