Infraspinatus

Origin: Infraspinous fossa of the Scapula

Insertion: Middle facet of greater tuberosity of the Humerus and capsule of the Glenohumeral Joint

Function: External rotation of the shoulder Along with other Muscles which produce shoulder External (lateral) Rotation

Nerve: Suprascapular Nerve

Artery: Suprascapular (transverse cervical) artery and the Circumflex scapular artery

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Links to this page: Alphabetical Muscle Index | Brachial Plexus Upper Trunk | C5 Root Shared Muscle Innervation | C5, C6 roots | C6 Root shared muscle Innervation | Circumflex scapular artery | Infraspinatus Tendons | Muscles which produce shoulder External (lateral) Rotation | Nerve route to Infraspinatus | Proximal Humerus | Scapula | Shoulder muscles | Suprascapular (transverse cervical) artery | Suprascapular Nerve |