Supraspinatus muscle
Muscle of the upper back / From Wikipedia, the free encyclopedia
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The supraspinatus (pl.: supraspinati) is a relatively small muscle of the upper back that runs from the supraspinous fossa superior portion of the scapula (shoulder blade) to the greater tubercle of the humerus. It is one of the four rotator cuff muscles and also abducts the arm at the shoulder. The spine of the scapula separates the supraspinatus muscle from the infraspinatus muscle, which originates below the spine.
Quick Facts Details, Origin ...
Supraspinatus muscle | |
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Details | |
Origin | Supraspinous fossa of scapula |
Insertion | Superior facet of greater tubercle of humerus |
Artery | Suprascapular artery |
Nerve | Suprascapular nerve |
Actions | Abduction of arm and stabilizes humerus |
Identifiers | |
Latin | musculus supraspinatus |
TA98 | A04.6.02.006 |
TA2 | 2457 |
FMA | 9629 |
Anatomical terms of muscle |
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