Fig. 4From: Mobile-bearing insert used with total knee arthroplasty does not rotate on the tibial tray during a squatting activity: a cross-sectional study3D-JointManager software (GLAB Corp.) was used to compute 6 degrees-of-freedom positions and orientations of the CAD models at each frame. This figure showes external rotation offset of the mobile-insert relative to the tibial tray and very small rotation of the femoral component relative to the insertBack to article page