Fig. 4From: Higher rates of fully preserved posterior cruciate ligament in total knee arthroplasty using a double tibial cut: a prospective randomized controlled trialA Fluoroscopic images showing the reference points used to measure femoral rollback including the shortest distance between the femoral and tibial components (red arrow), and the femoral peg projection on the tibial component (blue arrow). B and C Show the relationship between the two reference points in patients with different degrees of femoral rollbackBack to article page