1. Pain and Tenderness. If you encounter pain or tenderness when reaching, lifting or pulling together with your arm, it's could possibly be a sign of a far more severe shoulder injury. When attempting to carry out uncomplicated everyday tasks like brushing your hair become hard to do because of the pain, that's when you know you could have a problem. Also, should you practical knowledge discomfort if you roll around onto that shoulder in bed, it could possibly be related to a rotator cuff issue. 2. Loss of Selection of Motion Variety of motion would be the standard movement it is possible to generally make with your arm. When you are unable to lift your arm more than your head or have trouble reaching behind you or to your side, it really is generally from some sort of shoulder problem.