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
References in periodicals archive ?
Natural history of fatty infiltration and atrophy of the supraspinatus muscle in rotator cuff tears.
Both these tests are also frequently used as a strengthening exercise for supraspinatus, with clinicians believing that they are primarily strengthening the supraspinatus muscle.
Recently, muscle thickness change has been used as a parameter to characterize muscle fatigue [42], evaluate the effect of resistance training [47], and reveal muscle morphological decline of the supraspinatus muscle due to a shoulder injury [48].
It also allows a large volume of local anaesthetic to be injected beneath the supraspinatus muscle, as well as the option of inserting a catheter.
Sele update: Angels pitcher Aaron Sele had surgery Friday to repair the supraspinatus muscle and labrum in his right rotator cuff.