Subscapularis - Muscle Physiology & Functional Anatomy

Anatomy

Subscapularis Muscle

Origin:

  • Subscapular fossa (groove) on the anterior scapula

Insertion:

  • Lesser tubercle of the (proximal anterior) humerus



Major Arteries:

  • Transverse cervical artery

  • Subscapular artery

 

Neural Innervation:

  • Upper subscapular nerve

  • Lower subscapular nerve (C5, C6)

 

Trigger Points:

Subscapularis Trigger Points

 

 

Physiology

 

Concentric Functions:

  • Anteriior rotation the humerus

 

Eccentric Functions:

  • Anterior & posterior stabilization of the shoulder joint

 

Isometric Function:

  • Anterior & posterior stabilization of the shoulder joint

 

Related Muscles

 

Antagonists:

 

Exercises:

 

 


More Images of the Subscapularis Muscle

 

Subscapularis


More Information about the Subscapularis Muscle

 

 

 

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