Here is something I found very useful to help with shoulder pain!
I have spent a lot of time pondering the rotator cuff muscles and their efficient application in movement and stability. I have been viciously strengthening my own shoulder stability system to mitigate the effects from, well life, and a shoulder dislocation I had when I was 18. In essence, the role of the rotator cuff muscles (Supraspinatus, Infraspinatus, Teres Minor and Subscapularis) is to pull the humeral head into the shoulder socket, creating a system of “suctioning” the upper arm snuggly into its cup…or so we hope. The purpose of suctioning the arm bone into the socket can be summarized as follows:
Engaging the rotator cuff system in weight-bearing and motion: FullSizeRender 3