This bone is part of the carpometacarpal (CMC) joint, which connects the trapezium to the metacarpal of the thumb ... While some soreness and stiffness are common for a few weeks after surgery ...

Stiffness of all fingers resulted ... There was a dislocation of the greater multiangular 1st metacarpal joint and a fracture of the proximal thumb phalanx, with consequent adduction contracture ...