what you need to do is rehab the injured shoulder. most every steroid will aid with repairing it. but that wont happen unless your giving the injured are a good stretching, exercising, and massaging helps too. rehab rehab rehab. get a long stick and hold it at both ends with your arms and start with it resting against the front of your body and go up, over your head, and then back behind your head, and all the way down to the back of your body. go back and forth throughout this entire range of motion smoothly and for about 15 minutes every day. once a week do some cuban rotations with dumbells. keep your shoulder workout controlled, focus on a slow negative, dont go too heavy and when you go heavy keep some energy left in the tank. itll take time but itll heal. the steroids will help aid the process. once its healed dont stop with the rotator cuff work. its good for tons of stuff.