Subscapularis Muscle 101 Anatomy
& Exercises: The Rotator Cuff
Learn about the subscapularis muscle. Find out about its functional anatomy, the best exercises to train it and oh so much more.
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This is one of four highly important muscles that make up the rotator cuff.
The rotator cuff, which contains four different and small back muscles, is a small and delicate structure that enables the upper arm to rotate and move in any and all directions...
...Specifically, the subscapularis is responsible inwardly rotating the shoulder and upper arm; and it also plays a key role in overall shoulder stability.
Located at the bottom of the page, there is a glossary of easy-to-understand definitions for the not-so-obvious terms within this lat muscle guide.
Click on the links in the table of contents (TOC) to instantly jump to a different section of the page.
Subscapularis Muscle Anatomy
- Subscapular Fossa of the Anterior Scapula
- Lesser Tubercle of the Proximal Anterior Humerus
- Internal Shoulder Rotation
- Anterior Shoulder Stability
- Posterior Shoulder Stability
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Subscapularis Muscle Exercises
Exercises. Below is a list of the exercises that most directly workout this rotator cuff muscle.
- Cable Internal Shoulder Rotations (Seated or Standing)
- Dumbbell Internal Shoulder Rotations (Lying)
- Machine Internal Shoulder Rotations
Muscles that perform similar functions include the following:
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- Anterior Shoulder Stability. Maintaining the secureness and balance of the front shoulder.
- Internal Shoulder Rotation. Turning the upper arm toward the inside.
- Posterior Shoulder Stability. Maintaining the secureness and balance of the rear shoulder.
- Anterior. Front.
- Humerus. Upper arm bone.
- Lesser Tubercle.
- Posterior. Back, or rear.
- Proximal. Located closest to the origin.
- Rotator Cuff. A complex shoulder structure comprised of muscles and tendons, which enables omnidirectional rotary movement (movement in all directions) via the ball-and-socket shoulder joint.
- Scapula. Shoulder blade.
- Subscapular Fossa. The concave surface on the front side of the scapula.
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