Fig. 2From: Improved femoral component rotation in advanced genu valgum deformity using computer-assisted measured resection total knee arthroplastyRadiograph showing the measurement of flexion and extension of the femoral component and measurement of the posterior slope of the tibial component in the sagittal plane. Radiographic evaluation system originally appeared in J Bone Joint Surg Am. 2009;91:14–19. γ sagittal femoral angle, δ sagittal tibial angleBack to article page