FIG 2.
CSF pressure changes with 4 different techniques relative to the CSF pressure while breathing at rest. CSF pressure increased the most with end-resisted inspiration, which was even greater compared with the Valsalva maneuver.
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.