Infraspinatus muscle

The Infraspinatus muscle is a lateral rotator of the glenohumeral joint and adductor of the arm.

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It attaches medially to the infraspinous fossa of the scapula and laterally to the greater tubercle of the humerus

Related Topics:
Scapula - Humerus

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Its innervation is the suprascapular nerve, and it receives its blood supply from the suprascapular and circumflex scapular arteries.

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