I had a partial dislocation of the sternum clavicular in college. Tried to throw soemone's entire body weight over my head with one arm fully extened. It worked but at the cost of an 8 week sitdown.
After 8 weeks it still clicked a bit if I raised my arm over my head, but the mobility was back without pain. It was a year or two before the clicking went away and bar dips felt okay to do again.
Doc and trainer didn't recommend immoblizing it, but I was told to stay away from motions that aggrivated it. Strength & Condition was limited to parts of my body that didn't involve that arm much.