Watson et al. centralization of radial clubhand (see text). A, Z-plasties on radial and ulnar sides of wrist. B, Incisions allow lengthening on radial side. Ulnar incision takes up skin redundancy, transposing it to deficient radial side. C, Radial incision in wrist for identification of median nerve. D, View from ulnar incision across wrist to radial incision after resection of all nonessential central structures. E, Distal ulna seen through radial incision at wrist. F, Kirschner wire passed through lunate, capitate, and long finger metacarpal. G, After centralization, Kirschner wire passed into ulna to maintain position. SEE TECHNIQUE 80.3.