INFRASPINATUS

• Origin

 

Infraspinous fossa of the scapula

 

• Insertion

 

Greater tubercle of the humerus

 

• Agonist(s)

 

- Teres Minor

- Teres Major

- Deltoid

 

• Antagonist(s)

 

- Subscapularis

 

• Function

 

Lateral rotation of the humerus, shoulder joint stabilization