An unusual case of irreducible volar metacarpophalangeal (MCP) joint subluxation of the thumb is described. The tendon of the extensor pollicis longus (EPL) was trapped palmar to the metacarpal ...

If your joint is too loose the ball of the shoulder can: 1. Slide around in the socket. 2. Slide partially out of the socket (called subluxation ... Check fingers, thumb, and elbow.