棘下肌(infraspinatus muscle)
棘下肌(infraspinatus muscle)
肌肉
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起点
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止点
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动作
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动脉
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神经
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拮抗肌
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备注
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infraspinatus muscle(棘下肌)
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infraspinator fossa(肩胛骨棘下窝)的内侧2/3
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greater tubercle(肱骨大结节)后侧中间小面
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止点在肱骨大结节后方,收缩时可以使肱骨lateral rotation(外旋)、adduction(内收)
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subscapular artery(肩胛下动脉)
Circumflex scapular artery(旋肩胛动脉) |
肩胛上神经(suprascapular nerve;C5、C6)
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subscapularis muscle(肩胛下肌)
pectoralis major muscle(胸大肌) latissimus dorsi muscle(阔背肌) |
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资料来源:webmd