ORIGIN

Supraspinous fossa of scapula

 

INSERTION

Superior facet of greater tubercle of humerus

 

ACTION

Abduction of arm and stabilizes humerus

 

INNERVATION

Suprascapular nerve (C5,6)

 

PRIMARY JOINT

Glenohumeral joint

 

KEY STRENGTH TRAINING EXERCISES

Dumbbell raises

 

NEW STRENGTH TRAINING EXERCISES

External rotations with resistance band

 

COMMON INJURIES

Strain/stiffness

Tear

Supraspinatus tendinitis