Table 1.

Portal usage according to surgical step in anatomical ACL reconstruction

Surgical step	Viewing portal	Working porta
Diagnostic viewing	High anterolateral portal	Central anteromedial portal
Tibial ACL footprint measurements	High anterolateral portal	Central anteromedial portal
Notch measurements	High anterolateral portal	Central anteromedial portal
Femoral ACL footprint measurements	Accessory anteromedial portal	High anterolateral portal
PL femoral tunnel placement	Central anteromedial portal	Accessory anteromedial portal
PL tibial tunnel placement	High anterolateral portal	Accessory anteromedial portal
AM tibial tunnel placement	High anterolateral portal	Central anteromedial portal
AM femoral tunnel placement	Central anteromedial portal	Accessory anteromedial portal or transtibial
Femoral SB tunnel placement	Central anteromedial portal	Accessory anteromedial portal
Tibial SB tunnel placement	High anterolateral portal	Central anteromedial portal

ACL Anterior cruciate ligament, PL posterolateral bundle, AM anteromedial bundle, SB single bundle