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) The computer-controlled treadmill for slip perturbation training, (b) the overground walkway and the imbedded movable platforms. The treadmill-slip was induced by a sudden reduction on the backward speed of the treadmill top belt. The overground slip was triggered by the release of two side-by-side low-friction moveable platforms.
