Mid Carpal Instability Wheeless

Description: type of non dissociative carpal instability; - capitolunate joint has high potential for instability, since it is mainly stabilized only by radiocapitate ligament (and captiotriquetral ligament, to a lesser degree); (see wrist ligaments); - may result from malreduced radial styloid frx, or any condition which shortens or reduces tension in the ligament; - often results from severe dorsiflexion injury