Origin
Supraspinous fossa
Insertion
Greater tubercle of the humerus
Actions
- Abduction of the arm
- Weak lateral rotation
- Stabilisation of glenohumeral joint
Innervation
- Suprascapular nerve (C5, C6)
Blood Supply
- Suprascapular artery
Would you like to learn more about the supraspinatus muscle? Then check out the supraspinatus muscle article and video by clicking the link below: Supraspinatus Muscle Anatomy
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