Fig. 3From: A modified anatomical posterior cruciate ligament reconstruction technique using the posterior septum and posterior capsule as landmarks to position the low tibial tunnelUltrasound measures the distance between the posterior edge of the tibial plateau bone cortex and the popliteal artery at different flexion angles of the knee. 3A: Measure the distance between at knee flexion 90; 3B: Ultrasound measures the distance between the posterior edge of the tibial plateau bone cortex and the popliteal artery)Back to article page