Subscapularis

Definition

The subscapularis is a large triangular muscle that forms part of the rotator cuff, located between the scapula and the rib cage. It plays a critical role in the internal rotation and stabilization of the shoulder joint.

Related terms

Rotator Cuff: A group of muscles and tendons that surround and stabilize the shoulder joint.

Scapula:

Also known as the shoulder blade, it serves as a vital attachment site for several muscles including the subscapularis.

Internal Rotation: A movement where the front of an extremity moves towards the midline of the body, often facilitated by muscles like the subscapularis