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.
Four methods of measuring cartilage defects. A. Traditional arthroscopic measurement by ruler: TAR (measure distance by ruler under arthroscopy). B. Arthroscopic measurement by computer graphics: ACG tracemo (take pictures under arthroscopy, measure distance by software Tracemo). C. Incised measurement by computer graphics: ICG tracemo (take pictures after incised, measure distance by software Tracemo). D. Incised ruler: IR control (measure distance by ruler after incised).
