Teres Minor

Description

Illustration of teres minor

Name

• Teres Minor
• Musculus teres minor

General

• Narrow, elongated muscle of the posterior shoulder
• One of the four rotator cuff muscles

Origin

• Upper 2/3rds of lateral margin of scapula

Insertion

• Greater tubercle of humerus

Actions

• External rotation, adduction of arm

Vascular Supply

• Circumflex scapular artery
• Posterior circumflex artery

Innervation

• Axillary Nerve

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Clinical Significance

• Rotator Cuff Impingement Syndrome
• Rotator Cuff Tear
• Rotator Cuff Tendonitis
• Calcific Tendonitis

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See Also

• Shoulder Pain Main
• Shoulder Anatomy Main
• Physical Exam Shoulder

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