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.
Femoral articular cartilage surface zones. The investigation site, medial femoral condyle central-central weight-bearing zone, is marked red. The weight-bearing region of the medial femoral condyle was visualized by flexing the knee to 45° and applying valgus pressure during arthroscopy.
