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.
Diagrammatic representation of a stick figure of a patient with tight hamstrings before and after HSL or HST: a pre-operative, b post-operative. The relationship of the femur to the pelvis is unchanged, but by making the femur more vertical, the pelvic tilt must increase
