Fig. 4From: Gender-specific difference in the recurrence of flexion contracture after total knee arthroplastyGraph showing changes in the knee extension angle in cases with ≥10° preoperative flexion contracture. Pre-OP, preoperative knee extension angle; After TKA, Intraoperative maximum knee extension angle after TKA; Post-OP, postoperative knee extension angle at 6 months after TKABack to article page