Fig. 1From: Measurement for gap balancing technique in patients undergoing total knee arthroplasty: a large retrospective observational studyAāD New measurement of osteotomy location: self-made tools are used to adjust the flexion gap (red arrow). A Self-made tools which were measured for thickness. B Self-made tool was used intraoperatively. C The osteotomy location was measured intraoperatively. D The method achieved the balance of extension and flexion gapBack to article page