Anatomic and Biomechanical Study of Thumb Carpometacarpal Dislocations: A Laboratory Study.

Background: No previous study recreating an isolated thumb carpometacarpal (CMC) dislocation with or without suture augmentation has been performed in the laboratory. This investigation aimed to evaluate the mechanism and ligamentous complex of isolated thumb CMC dislocations.

Methods: Biomechanical analysis was performed in 10 cadaveric specimens.