Oblique tibial osteotomy (see text) for tibia vara. A, Transverse incision at tibial tubercle. B, Y-shaped periosteal incision. C, Insertion of Steinmann pin after subperiosteal exposure. D, Marking of saw and osteotomies to avoid overpenetration. E, Oblique cut beneath pin. F, Rotation of osteotomy and fixation with single lag screw. SEE TECHNIQUE 32.15.