Fig. 3From: Gender-specific difference in the recurrence of flexion contracture after total knee arthroplastyDistribution of preoperative, intraoperative, and postoperative knee extension angles. Pre-OP, preoperative knee extension angle; Before TKA, Intraoperative maximum knee extension angle before TKA; After TKA, Intraoperative maximum knee extension angle after TKA; Post-OP, postoperative knee extension angle at 6 months after TKABack to article page