supraspinatus muscle

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su·pra·spi·na·tus mus·cle

(sū'pră-spī-nā'tŭs mŭs'ĕl)
Origin, supraspinous fossa of scapula; insertion, greater tuberosity of humerus; action, initiates abduction of arm; nerve supply, suprascapular from fifth and sixth cervical.
Synonym(s): musculus supraspinatus [TA] , supraspinous muscle.

supraspinatus muscle

Shoulder muscle. Origin: medial supraspinous fossa of scapula. Insertion: greater tubercle of humerus. Nerve: suprascapular (C4-C6). Action: abducts arm.
See also: muscle