Muscle Name: Infraspinatus
Medical Name:
- Infraspinatus
Other Names:
- None
Head:
- None (Single muscle)
Movement:
- Lateral (external) rotation of the shoulder
- Rotating the arm outward
- Stabilization of the glenohumeral (shoulder) joint
- Holding the head of the humerus in the glenoid cavity
Attachment:
- Origin:
- Infraspinous fossa of the scapula
- Insertion:
- Greater tubercle of the humerus
Related Muscles:
- Supraspinatus
- Teres Minor
- Subscapularis
- Deltoids
- Latissimus Dorsi