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Supraspinatus

Supraspinatus

Description

Origin :

 

    • Supraspinous fossa of scapula.

 

 

Insertion :

 

    • Superior facet on greater tuberosity of humerus.

 

 

Innervation :

 

    • Suprascapular nerve (C4, C5 and C6)

 

 

Arterial Supply :

 

    • Suprascapular artery

 

 

Depth :

 

    • Deep

 

Action

Action :

 

    • Initiates and assists deltoid in abduction of arm and acts with other rotator cuff muscles.

 

Target Muscles Target MusclesSupraspinatus