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Origin, insertion and actions of the Rotator Cuff Muscles

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dellg85's version from 2016-02-16 16:59

Origins Insertions And Actions of Muscles of the Rotator Cuff

 

MuscleOriginInsertionAction
SupraspinatusSuperior spine (above the spine) of the scapulaSuperiorly on the head of the humerusAssists deltoid in the abduction of the arm
InfraspinatusInferior spine (below the spine) of the scapulaLaterally on the head of the humerusRotates the arm laterally
Teres MinorLateral border of the scapula, near the inferior angleLaterally on the head of the humerusRotates the arm laterally
SubscapularisAnterior surface of the scapulaAnteriorly on the head of the humerusRotates the arm medially
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