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.
A number of diseases and injuries may cause painful swelling and stiffness of the joints. The areas where people commonly experience joint pain are the knees, hips, and shoulders. Joint pain can range from mild to severe and debilitating. Even mild joint pain can cause emotional stress in a personâs life. Short-term inflammation can cause severe pain and restrict movement. While joint pain may have various causes, it can often be managed with a combination of pain medication, physical therapy, and other complementary therapies.