My shoulder hurts...is it osteoarthritis?
Osteoarthritis is a very common problem. Most people know someone who is dealing with arthritis of at least one joint. Spine, hips, knees, and hands are the most common places for osteoarthritis to cause symptoms. However, any joint can be affected...


Why would it be hard to lift your arm, and it seems like this cramp moves up and down your arm. When you rub your shoulder it seems like it moves.