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.
Joint Pain and a Vitamin Deficiency. Vitamin deficiency can be one possible cause of sore joints. Photo Credit Thinkstock/Comstock/Getty Images. Joint pain can be a symptom of a vitamin deficiency either because the deficiency is actually damaging your joints or because it is damaging your nerves. Vitamins such as A, C and D help support numerous aspects of joint health, and a deficiency in these vitamins might cause or contribute to bone pain.