Basically, "dislocation" means that the bones that form the joint have slipped out of their normal position in the joint. A joint can become dislocated if you injure yourself. Sometimes ...

FRISCO ― The last time Cowboys receiver CeeDee Lamb dealt with a sprained AC joint in his shoulder was his freshman season ..

Kansas City Chiefs wide receiver Marquise "Hollywood" Brown, who has missed the entire regular season with a sternoclavicular joint dislocation ...