Origin
Lateral border of the scapula
Insertion
Greater tubercle of the humerus
Actions
- External rotation of the shoulder
- Stabilisation of glenohumeral joint
- Can weakly assist in shoulder adduction
Innervation
- Axillary nerve (C5, C6)
Blood Supply
- Subscapular artery
- Circumflex scapular artery
- Posterior circumflex humeral artery
Would you like to learn more about the teres minor muscle? Then check out the teres minor muscle article and video by clicking the link below: Teres Minor Muscle Anatomy
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