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4.下列何者同時具有屈、伸上臂的功能？
(A)胸大肌（pectoralis major）
(B)喙肱肌（coracobrachial muscle）
(C)闊背肌（latissimus dorsi）
(D)三角肌（deltoid）

專技◆職能治療師◆解剖學與生理學- 110 年 - 110 專技高考_職能治療師：解剖學與生理學#99964

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	2F 到底哪個好大二上 (2022/05/22) 三角肌的功能包括外展上臂且其所鎖骨纖維幫助屈曲上臂，而後側纖維幫助伸展上臂。喙肱肌的功能為內收上臂胸大肌功能為屈曲盂肱關節檢舉
	3F ㄓㄣ國三下 (2023/03/20) (A)胸大肌（pectoralis major）：肱骨屈曲、內旋、add (B)喙肱肌（coracobrachial muscle）:肩膀flex、add (C)闊背肌（latissimus dorsi）：肩膀ext、add、IR、骨盆上提 (D)三角肌（deltoid）: 前—add、flex、IR 中—abd、ext、ER 後—abd 檢舉
	4F 宗翰大三下 (2024/06/20) (A) 胸大肌（pectoralis major） Action: Prime mover of arm flexion；rotates arm medially；adducts arm against resistance；with scapula (and arm) fixed, pulls rib cage upward, thus can help in climbing, throwing, pushing, and in forced inspiration p.314、316 (B) 喙肱肌（coracobrachial muscle） Action: Flexion and adduction of the humerus；synergist of pectoralis major p.315、316 (C) 闊背肌（latissimus dorsi） Action: Prime mover of arm extension；powerful arm adductor；medially rotates arm at shoulder；depresses scapula；because of its power in these movements, it plays an importan... 查看完整內容 (A) 胸大肌（pectoralis major） Action: Prime mover of arm flexion；rotates arm medially；adducts arm against resistance；with scapula (and arm) fixed, pulls rib cage upward, thus can help in climbing, throwing, pushing, and in forced inspiration p.314、316 (B) 喙肱肌（coracobrachial muscle） Action: Flexion and adduction of the humerus；synergist of pectoralis major p.315、316 (C) 闊背肌（latissimus dorsi） Action: Prime mover of arm extension；powerful arm adductor；medially rotates arm at shoulder；depresses scapula；because of its power in these movements, it plays an important role in bringing the arm down in a power stroke, as in striking a blow, hamnering, swimming, and rowing p.314、316 (D) 三角肌（deltoid）: 同時具有屈、伸上臂的功能 Action: if only anterior fibers are active, can act powerfully in flexion and medial rotation of humerus, ......；if only posterior fibers are active, effects extension and lateral rotation of arm p.315、316 出自: Human Anatomy and Physiology THIRD EDITION 檢舉

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