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 ?
An anatomic study of the effects on the suprascapular nerve due to retraction of the supraspinatus muscle after a rotator cuff tear.
In our study, the range of external rotation is smaller because of the higher incidence of injury of both the subscapularis and the supraspinatus muscle.
The active range of abduction of the right shoulder was full but provoked pain over the supraspinatus muscle.
Individuals usually present with pain and weakness in the posterior, lateral, and superior aspect of the shoulder [14,15], atrophy and weakness of the infraspinatus and supraspinatus muscles [15].
Beginning at the medial aspect of the sagittal oblique T2-weighted images, the supraspinatus muscle is first located by its anatomic position on the scapula.
Despite this possible relationship between suprascapular nerve entrapment syndrome and the morphological differences, in the infraspinatus or supraspinatus muscle and variations in the STLS, we were unable to correlate all the aforementioned in the subject of this case report due the poor documentation (Osuagwu et al.
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.
6) In a full-thickness tear, the supraspinatus tendon is torn through the entire anterior-to-posterior width of the tendon; in chronic cases following complete separation of the tendon, the medial end retracts as a result of atrophy of the supraspinatus muscle.
Sele update: Angels pitcher Aaron Sele had surgery Friday to repair the supraspinatus muscle and labrum in his right rotator cuff.
Application of Kinesiotape: 1st strip: Y-strip representative of the supraspinatus muscle which will be applied from origin to insertion (Paper off tension).
Here, we present a case of malignant melanoma that metastasized to the supraspinatus muscle who presented with shoulder pain.