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.
Comparison of the anterior-posterior ground reaction force (GRF) with the parallel GRF during stance for decline (gray), level (black), and incline (dotted) running normalized to body mass. The parallel GRF is calculated as the component of the net GRF vector running parallel with the inclination of the instrumented treadmill force plate.
