Subscapularis Muscle Origin And Insertion

Action medially rotates arm and stabilizes shoulder joint. Lesser tubercle of humerus actions.

Subscapularis Muscle Wikipedia

Subscapularis is a triangular shoulder muscle located in the subscapular fossa of scapula attaching between the scapula and the proximal humerus it is one of the four muscles of the rotator cuff along with supraspinatus infraspinatus and teres minor.

Subscapularis muscle origin and insertion. Origin insertion origin. Attachments of subscapularis muscle. Check out this expert guide on learning the anatomy of the arm and shoulder muscles step by step walkthrough.

Subscapular artery from the axillary artery. Muscle anatomy of the subscapularis. Rotator cuff muscles act together to stabilize and steer the humeral head within the glenoid cavity during various movements of the upper limb.

Origin medial two thirds of subscapular fossa. The subscapularis muscle is one of the most frequently used muscles of the shoulder joint. Nerve upper and lower subscapular nerves c5 6 from posterior cord.

Medial two thirds of volar surface of the scapula insertion. Since the long biceps tendon absents itself from the shoulder joint through the rotator cuff interval it is easily possible to distinguish between the supraspinatus and the subscapularis tendon. Internally rotates humerus innervation.

Educate yourself about the origin insertion and action of the subscapularis muscle by taking a look at. The subscapularis is one of the 4 rotator cuff muscles that embrace the shoulder joint the other 3 being supraspinatus infraspinatus and teres minor it extends from the front side of the shoulder blade scapula to the upper part of the upper arm bone humerus. Distal attachments lesser tubercle of humerus.

Another fact typically for the subscapularis muscle is the fatty infiltration of the superior portions while sparing the inferior portions. Upper and lower subscapular nerve c5 c6 blood supply. Insertion lesser tuberosity of humerus upper medial lip of bicipital groove capsule of shoulder joint.

Proximal attachments subscapular fossa of the scapula.

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