Sports accidents are the top cause of posterior instability/ tears. They are frequently noticed in youthful Lively people. Sports like fat-lifting, baseball, tennis or volleyball and so forth are widespread causes of this injury. Injections: corticosteroid injections is usually administered to alleviate pain and swelling. Helpful for people with AC https://www.theorthopaedicandpainpractice.com/is-my-shoulder-pain-caused-by-an-acromio-clavicular-dislocation/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB