Joe Muscolino

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Anterior view of the subscapularis of the rotator cuff group. Note: The rib cage has been removed. The subscapularis is one of the four Rotator Cuff muscles. The four Rotator Cuff muscles are:



  • The subscapularis attaches from the subscapular fossa of the scapula to the lesser tubercle of the humerus.





  1. The Subscapularis is the second “S” of SITS (Supraspinatus, Infraspinatus, Teres minor, Subscapularis), an acronym for the rotator cuff group.
  2. The subscapularis is located between the scapula and ribcage wall.
  3. The subscapularis is the only rotator cuff muscle that attaches to the lesser tubercle of the humerus.