Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Displacement of the tibiofemoral contact point during squatting at baseline (0°), with an anterior slope (−3°) and posterior slope (+3°, +6°, +9°) and for anterior tibial cortex referencing (ACR, top) and centre of tibial plateau referencing (CPR, bottom) techniques. Contact points on the lateral (L) and medial (M) side of the tibial plateau are connected together and colour-coded according to the knee flexion angle
