Subscapularis muscle
>The subscapularis muscle; >The supraspinatus muscle, which is responsible for elevating the arm and moving it away from the body; >The infraspinatus muscle, which assists the lifting of the arm during turning the arm outward (external rotation); >The teres minor muscle, which also helps in the outward turning (external rotation) of the arm.</LI></UL> Damage to the rotator cuff is one of the most common causes of shoulder pain.
The term 'subscapularis' means under (sub) the scapula (the wingbone).
The subscapularis muscle originates there, beneath the scapula.