Fig. 3From: Kinematics and center of axial rotation during walking after medial pivot type total knee arthroplastyMedian COR during early stance, mid-stance, and late stance to swing phase of gait. Square, MP-CS group; triangle, MP-PS group; circle, control group. Blue indicates early stance, green indicates mid-stance, and yellow indicates late stance to pre-swing of gait. COR, center of axial rotation; MP, medial pivot; CS, cruciate-substituting; PS, posterior-stabilizedBack to article page