[1] Commonly, wrist pain is caused by sudden load-bearing or twisting effects, such as falling from a height with an outstretched hand.
[1] Injuries to the triangular fibrocartilage complex may result from chronic repetitive movements by wrist flexion-extension, supination-pronation, or sudden radius-ulna rotation.
[1] Osteoarthritis, typically in elderly people, and rheumatoid arthritis are other common causes of wrist pain.
[2] Ulnar nerve entrapment at Guyon's canal causes weakness in specific muscles, but is not typically painful.
[3] The physical exam may show tenderness by palpation over the scapholunate ligament on the back of the wrist, immediately below the radius.