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.
Anteroposterior view of the right hip. Acetabular retroversion as a cause of pincer impingement is indicated by a shallow posterior wall in which the posterior rim of the acetabulum (black dots) lies medial to the center of rotation of the femoral head (white dot).
