Teres major

Definition

The teres major is a thick muscle of the upper limb that extends from the lower lateral border of the scapula to the upper part of the humerus. It plays a crucial role in the rotation and movement of the arm.

Related terms

Scapula:

A flat, triangular bone located on the posterior side of the shoulder, serving as a vital attachment site for several muscles including the teres major.

Humerus:

The long bone in the upper arm that extends from the shoulder to the elbow, connecting with muscles like the teres major for arm movement.

Rotator Cuff: A group of muscles and tendons that surround the shoulder joint, stabilizing it and allowing various movements, working closely with muscles such as teres major