Fig. 1From: The proper correction of the mechanical axis in high tibial osteotomy with concomitant cartilage procedures—a retrospective comparative studyWhen the target range of postoperative mechanical axis in group I would be determined, it was applied to make a HKA angle of 180–182°. The mechanical axis was shifted to 50–55% of the tibial plateau width near the center of knee joint (shadow box)Back to article page