Teres minor

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Teres minor

Teres minor (/tɛrɪs ˈmaɪnər/; from Latin teres, meaning 'rounded' and minor, meaning 'smaller') is a narrow, elongated muscle of the rotator cuff. The muscle originates from the lateral border of the scapula and inserts into the greater tubercle of the humerus.

Function

The Teres minor muscle assists with rotation of the arm away from the body (lateral rotation), and stabilizes the humeral head in the glenoid cavity.

Anatomy

The Teres minor muscle is one of the four muscles in the rotator cuff, along with the supraspinatus, infraspinatus, and subscapularis muscles. It is situated immediately inferior to the infraspinatus muscle, and superior to the teres major muscle.

Clinical significance

Injury to the teres minor muscle or its associated nerves can result in a condition known as rotator cuff syndrome, which is characterized by pain and weakness in the shoulder.

See also

External links

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