Figure 2.
Pulse rate response during the 6MWT. PR = pulse rate; bpm = beats per minute; Error bars = Standard error.
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.