Shoulder pain can stem from one or more of the following causes: 1  Strains from overexertion. 2  Tendonitis from overuse. 3  Shoulder joint instability. 4  Dislocation. Collar or upper arm bone fractures.  Frozen 1  shoulder. Pinched nerves (also called radiculopathy)
Joint pain can affect one or more joints. Joint pain can be caused by many types of injuries or conditions. It may be linked to arthritis, bursitis, and muscle pain. No matter what causes it, joint pain can be very bothersome. Some things that can cause joint pain are: Autoimmune diseases such as rheumatoid arthritis and lupus.
Find possible causes of joint pain or muscle pain based on specific factors. Check one or more factors on this page that apply to your symptom. 1  Bone pain. 2  Dull or achy pain. 3  Joint pain. 4  Muscles aches, cramps or pain.5  Around the kneecap. 6  In a specific area. 7  In various sites as it moves.ind possible causes of joint pain or muscle pain based on specific factors. Check one or more factors on this page that apply to your symptom. 1  Bone pain. 2  Dull or achy pain. 3  Joint pain. 4  Muscles aches, cramps or pain.