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.
Types of induced first-step protective responses following a waist perturbation. The arrow indicates the direction of pull. The grey leg is the stepping leg and black leg the stance leg. a) Demonstrates a medial recovery step while b) shows a cross-over recovery step.
