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.
Contours representing the 2D projection of femur surfaces in the axial and coronal planes represent variation of plus (blue) and minus (orange) two standard deviations of each PCA mode that corresponded to a significant difference between the cam and control shapes. Modes represent variation in the curvature of the femoral head–neck junction and greater trochanter.
