Fig. 2From: The effect of distal tibial tuberosity high tibial osteotomy on postoperative patellar height and patellofemoral joint degenerationLessening the stress on the bone cortex. a A Kirschner wire approximately 2.8 mm wide was used to drill 5 holes on the lateral bone cortex. b Three 3D models of the bone showing how the holes along the transverse plane were drilledBack to article page