Deep Rotators of the Shoulder ‘The Rotator Cuff’ In addition to the major movers of the shoulder already discussed there are four muscles that serve to rotate the joint but also act as dynamic ptotractors…

Muscles of the Upper Torso Muscle   Origin   Insertion   Action(s)      Palpation Deltoid Front outer1/3rd of the clavicle, border of the acromion, and lower edge of the spine of the scapula Deltoid…