Figure 1
From: A multi-modal treatment approach for the shoulder: A 4 patient case series
The glenohumeral force couple. The resultant force (action) of the rotator cuff muscles results in compression and inferior glide of the humeral head during elevation. (RA = resultant action, Deltoid, SS = Supraspinatus, SSc = Subscapularis, IS = Infraspinatus and TM = Teres Minor) [42].