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.
Ventilatory and heart rate responses during graded cycling exercise with graded inspiratory resistance in normobaric hypoxia. ap ≤ 0.05 versus baseline; bp ≤ 0.05 versus rest in hypoxia; cp ≤ 0.05 versus 50 W; dp ≤ 0.05 versus 100 W; ep ≤ 0.05 versus 150 W. *p ≤ 0.05, a significant difference between conditions at given work load.
