Fig. 5From: Safety of the application of Rigidfix cross-pin system via different tibial tunnels for tibial fixation during anterior cruciate ligament reconstructionIn group, the external aperture of the tunnel is located backwards and the starting rotation angle of the guide can not be 0°; thus, the guide was closely attached to the anterior crural region as the starting position to measure the starting angles at 35°- 45°(39.0 ± 6.5°)Back to article page