Fig. 2From: Morphological changes in tibial tunnels after anatomic anterior cruciate ligament reconstruction with hamstring tendon graftDifference in the tunnel length between the anterior tunnels (left) and the posterior tunnel (right). The tunnel length was defined as the distance from the aperture plane to the most distal plane completely surrounded by bony area of the three-dimensional (3D) models of the tunnels. The red and the blue 3D models indicate the anterior and the posterior tunnels at 3Â weeks after surgery. The bottom right cube has a length of 20Â mm on each side. M: medial, L: lateral, A: anterior, P: posteriorBack to article page