The most common nerve involvement is dislocation of Lunate is -

Dislocation of carpal bones Dislocation of carpal bones may be of two types:- 1)  Lunate dislocation Lunate dislocate anteriorly but the rest of the carpals remain in position. Complications may be AVN, osteoarthritis and median nerve injury. 2)  Perilunate dislocation The lunate remains in position and the rest of the carpals dislocate dorsally.