Supraspinatus. (Baseball, Swimming, Tennis, Football)
Action: Abducts shoulder.
Origin: Scapula.
Insertion: Humerus.
Origin: Scapula.
Insertion: Humerus.
Infraspinatus.
Action: External rotation. (Rotation of the head of the humerus)
Origin:Scapula.
Insertion: Humerus.
Origin:Scapula.
Insertion: Humerus.
Teres Minor.
Action: Internal rotation.
Origin: Scapula.
Ins
Origin: Scapula.
Ins
Subscapularis.
Action: Internal rotation.
Orignin: Scapula.
Insertion: Humerus.
Orignin: Scapula.
Insertion: Humerus.