Rotator cuff tendinopathy/tendinosis is degeneration and/or disorganization of rotator cuff tendon tissues (often as a result of overuse and repetitive activity). The ball is 3x the size of your socket. It is a lot more like a ball on the tee than an genuine "ball and socket." By way of a https://www.theorthopaedicandpainpractice.com/what-are-some-shoulder-pain-treatments/