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.
Mean values and standard errors for AP COP parameters (a–d) for athletes (filled circles) and non-athletes (open circles). For each condition, there were a total of 48 trials. Test conditions: 1 = eyes-open/wide stance; 2 = eyes-closed/wide-stance; 3 = eyes-open/tandem stance; 4 = eyes-closed/tandem stance.
