Figure 4.
Risk of group 3 dislocations according to APT measured. The risk of dislocation increases significantly with measurements over 30°. When the APT value is 68.5°, the risk increases by 80%.
Abbreviation: APT, average patellar tilt.
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.