Because messages shouldered animation. Humerus with scapula is missing to make the animations associated with it, making the soft tissue. Cuff shoulder injury until it was crowded.
The cause of shoulder movement humerus and scapula making improper lack of the Allied Movement. It was molded and soft tissue around the shoulder joint injuries.
The cause of the shoulder joint movement inappropriate, humerus with scapula lack of movement associated with PM makes soft tissue around the shoulder are squeezed to injury.