Basically, you move your arm around until you get to a position where it starts to hurt (or hurts more). Then you try to find a spot with your other hand where if you apply a shear force, the pain goes away when you try to move again.
Basically, you move your arm around until you get to a position where it starts to hurt (or hurts more). Then you try to find a spot with your other hand where if you apply a shear force, the pain goes away when you try to move again.