Swelling of the knuckles is the main symptom of ulnar ... to oppose the index finger Warmth in your wrist, hand, and finger joints Pain or tenderness in the hand Inability to fully flex your ...

Sprains and dislocations can cause pain and swelling ... Sprains can be in any of the knuckle joints in your finger. However, the joint in the middle of your finger—called the proximal interphal ...