Fig. 2From: Gender-specific difference in the recurrence of flexion contracture after total knee arthroplastyBoxplot and whisker plot of the mean knee extension angle. 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