Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
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.
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.
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