Shoulder
Subscapularis
Musculus subscapularis
The only internal-rotator of the rotator cuff; lies on the anterior surface of the scapula.
- Function
- Internal rotation and stabilization of the shoulder.
- Origin
- Subscapular fossa of the scapula (its anterior surface).
- Insertion
- Lesser tubercle of the humerus (tuberculum minus).
How this muscle is trained
Subscapularis is worked as the primary target in 2 of the 4 exercises listed here, and as a supporting muscle in the rest. The equipment those exercises use: Cable Machine, Resistance Band, Lat Pulldown Machine, Barbell.