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Together with the other rotator cuff muscles, supraspinatus stabilizes the glenohumeral (shoulder) joint during the movements of the upper limb. Additionally, it assists in the abduction of the arm. This article will discuss the anatomy and function of supraspinatus muscle.
Function. Shoulder Stability. As part of the Rotator Cuff, supraspinatus helps to resist the gravitational forces which act on the shoulder joint to pull from the weight of the upper limb downward. It also helps to stabilise the shoulder joint by keeping the head of the humerus firmly pressed medially against the glenoid fossa of the scapula.
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.
Along with the other rotator cuff muscles, supraspinatus stabilizes the humerus head on the glenoid fossa during joint movements and acts with the deltoid to limit inferior displacement of the humeral head.
Learn what is the supraspinatus muscle & where is it located: Its anatomy, attachments, blood supply, vein, what functions it does, its movement, with picture
What is the function of the supraspinatus muscle? Supraspinatus, a component of the Rotator Cuff, aids in defying the forces of gravity that draw the upper limb’s weight downward at the shoulder joint.
The supraspinatus muscle is a rotator cuff muscle located in the shoulder, specifically in the supraspinatus fossa, a concave depression in the rear portion of the scapula, or shoulder...