<prompt> The most common nerve involvement is dislocation of Lunate is -Median nerveAnterior interosseusPosterior interosseusUlnar nerve  <response>: Dislocation of carpal bones Dislocation of carpal bones may be of two types:-1 Lunate dislocationLunate dislocate anteriorly but the rest of the carpals remain in position.Complications may be AVN, osteoarthritis and median nerve injury.2 Perilunate dislocationThe lunate remains in position and the rest of the carpals dislocate dorsally. 