Main Model
73 Supraspinatus
Origin:
Supraspinous fossa of scapula
Insertion:
Superior facet of greater tubercle of humerus
Blood Supply:
Suprascapular artery
Innervation:
Suprascapular nerve (C4, C5, C6)
Main Action:
Initiates and assists deltoid in abduction of arm and acts with rotator cuff muscles