Teres Major

Teres major is a broad muscle situated on the upper limb.



Features

 * Origin: Oval area on the inferior angle of the scapula.
 * Insertion: Medial lip of the intertubercular sulcus of humerus.
 * Innervation: Inferior subscapular nerve [C5-C7].
 * Function: Medial rotation and adduction of the humerus and assists arm extension.

Topography
Teres major makes up one of the borders of the Quadrangular space.

Related articles
Quadrangular space