Ludloff osteotomy. A, Placement of first screw after osteotomy and before rotation of distal fragment. B, Rotation of distal fragment. C, Placement of supplementary Kirschner wires after placement of second screw and resection of bone. (From Schon LC, Dorn KJ, Jung HG: Clinical tip: stabilization of the proximal Ludloff osteotomy, Foot Ankle Int 26:579, 2005.) SEE TECHNIQUE 82.12.