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.
a Front view of left clubfoot talus (grade IV), b analogue drawing: A line parallel to the trochlea surface, B longitudinal axis of the head in normal foot, B′ longitudinal axis of the head in clubfoot, angle δ normal foot, angle ε opposite direction in clubfoot
