A, View of anterior cruciate ligament footprint using a 30-degree scope through a lateral parapatellar portal. Note proximity of anterior cruciate ligament footprint to articular surface of femoral condyle. B, Same footprint from medial parapatellar portal. Entire extent of footprint can be visualized more adequately through this view. C, Femoral footprint just posterior to center of anterior cruciate ligament footprint is marked with awl to use as reference point for reaming of femoral tunnel. D, Reamer. SEE TECHNIQUE 51.16.