Muscle Atlas

Teres Minor

Origin: Superior part of lateral border of scapula
Insertion: Inferior facet on greater tuberosity of humerus
Action: Laterally rotate arm; helps to hold humeral head in glenoid cavity of scapula
Innervation: Axillary nerve (C5 and C6)
Arterial Supply: Subscapular and circumflex scapular arteries

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