Questions tagged [valsalva-maneuver]

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Does playing wind instruments cause damage to the eyes overtime?

Found some studies that investigated the IOP's relation to wind instrument playing: one two three. I'm curious because I thought wind instrument playing (as over time it takes endurance to control ...
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Performing Valsalva maneuver with partly open airway?

The Valsalva maneuver is defined as "attempted exhalation against a closed airway" or "The effort to breathe out forcibly while the mouth and nose are firmly closed or the vocal cords pressed together"...
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What's happening with the heart when you push your rectum really hard?

I've noticed in myself, and am wondering what is going n, because when I push hard if I'm sitting on my chair - A thick Vein on my neck has a pretty big pulse, like it controls blood flow, and could ...