Fig 1. Experimental layout.
The obstacle was 0.6-m wide, located directly ahead of the participant on the midline (shaded bar), or ±25 cm leftwards or rightwards (bars marked by dashed lines). Two approach distances were used (1.5 and 2 m).
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.