This from the Baylor College of Medicine, regarding shoulder dislocation injuries. Though it talks about football injuries, this is largely germaine to Alterique Gilbert's issues:
For high school football players who suffer from chronic shoulder dislocation, the end of the football season is the best time to treat the condition with arthroscopic surgery, according to a sports medicine expert at Baylor College of Medicine.
The first time that a shoulder dislocation occurs, it is usually due to a collision where the arm is forced backward, which makes the shoulder pop out of the joint.