A dislocation happens when The pinnacle in the humerus (ball) pops out of the socket. This commonly happens throughout contact sports but might also take place from the traumatic injury to the shoulder. Posterior shoulder dislocation, when the humerus (head with the arm bone) is moved again and higher than https://www.theorthopaedicandpainpractice.com/what-are-shoulder-joint-dislocations/?_gl=1*164kc8h*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB