I'll use my harm arm and keep a wire like i am doing a push down but use my other arm to force it down then let go and gradually go returning to the relaxing place with the harmed arm. 12-15 repetitions with a respectable quantity of body weight but not too much, your shoulder will be very painful the first few periods but its the only factor Ive discovered to perform. Parcels works momentarily but not lengthy lasting, you need good system circulation to the place.