By, Sean Light
SLStrength.com
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.
Origin: Middle half of the scapula’s lateral margin
Insertion: Greater tubercle of the humerus.
SOURCE: Hosford DPT, Darryl, “Shoulder Girdle Musculature,” http://www.PTCentral.com/muscles