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image: Teres Major
Teres Major

Teres Major

 Articulations :

 Action :

  • Adducts and medially rotates arm.

Origin :

  • Dorsal surface of inferior angle of scapula.

Insertion :

  • Medial lip of intertubercular groove of humerus.

Innervation :

  • Lower subscapular nerve (C6 and C7)

Arterial Supply :

  • Subscapular and circumflex scapular arteries

Depth :

  • Deep Superficial
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