Rotator cuff tendinopathy/tendinosis is degeneration and/or disorganization of rotator cuff tendon tissues (typically because of overuse and repetitive action). The ball is 3x the scale of the socket. It really is much more just like a ball on the tee than an true "ball and socket." Really like really like adore https://www.theorthopaedicandpainpractice.com/what-are-some-shoulder-pain-treatments/