Pain in the MCP joint can result from injury, infection, inflammation, or some medical conditions. Treatment depends on the cause but may include medications, splints and supports, hand therapy, and ...

A sprained thumb occurs when you injure the soft tissue or ligaments that connect your thumb to your hand. The most commonly injured ligament in the thumb is the ulnar collateral ligament (UCL). An ...

Rheumatoid arthritis causes laxity of the capsular ligaments of the MCP joint, which may result in structural instability and joint impairment. Chronic laxity can cause progressive dislocation of the ...