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