Shoulder pain can can strike in many areas. It might present as a niggle or a complete restriction of range of motion due to pain induced by movement of the arm. Medical diagnosis very often focuses on the joint itself - you have perhaps been told you have frozen shoulder, or busistis, tendonitis, arthritis etc. There may of course be structural damage after accident or injury. However, very often it is the muscles of the shoulder and their trigger points that are causing the pain. Cessation of pain or significant reduction of pain on removing the trigger points proves this point. Do not always assume the pain is coming from the joint!
TRIGGER POINTS AND SHOULDER PAIN