Ulnar wrist pain can be occasional or constant. It may worsen when you grip something or twist your wrist. Ulnar wrist pain can be hard to diagnose because it has several causes:
- Split UT ligament. Even low-impact activity can cause the UT (ulnotriquetral) ligament, which connects your forearm bones, to rip apart lengthwise like a stalk of celery. The lengthwise split is often undiagnosed because it doesn't appear on X-ray or MRI. Mayo Clinic researchers were the first to identify a split UT ligament as a cause of ulnar wrist pain.
- Swelling in the joint lining (synovitis)
- Deteriorated soft tissue (degenerative tear)
- Ruptured ligament
- Dislocated tendon