By, Sean Light
In our final Rotator Cuff installment, we present the Teres Minor. This RC muscle, like the supraspinatus and infraspinatus, is responsible for glenohumeral stability and external rotation of the arm at the shoulder.
Insertion: Greater tubercle of the humerus.
SOURCE: Hosford DPT, Darryl, “Shoulder Girdle Musculature,” http://www.PTCentral.com/muscles