26.下列何者受損會導致手指無法內收(adduction)夾住紙片?
(A)橈神經的深支(deep branch of radial nerve)
(B)橈神經的淺支(superficial branch of radial nerve)
(C)尺神經的深支(deep branch of ulnar nerve)
(D)尺神經的淺支(superficial branch of ulnar nerve)

答案:登入後查看
統計: A(34), B(23), C(237), D(32), E(0) #1324523

詳解 (共 1 筆)

#5788757

手部肌肉的神經支配大多都是尺神經深枝(ex. 內收拇、骨間肌)

例外


尺神經淺枝

  • 掌短肌(parlmaris brevis)

正中神經

  • 3條魚際肌(thenar):外展拇、屈曲拇、對掌拇
  • 1st and 2nd 蚓狀肌
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