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Old January 17th 19, 03:12 PM posted to rec.skiing.alpine
Harvard Horvath
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Posts: 287
Default motion sickness

I've been thinking of writing a paper on motion sickness. We've been
studying space sickness in my astronautics class. As a man of action,
adventure, and danger, I've experienced motion sickness many times.

My instructor says that when he's been up in the space shuttle for
several months and he gets back on land, he experiences some vertigo
that takes about 20-25 minutes to go away. Many people have
experiences this when leaving a boat. We call it getting our, "land
legs," back. And for me it only takes a few seconds. But I've never
spent six months on a boat.

I've noticed many times while doing a fast descent on a black diamond
and doing a hockey stop at the bottom, I often feel a sense of
vertigo, which takes a moment to go away. Has anyone else felt this?

I attribute this to gravity. While going downhill rapidly, gravity is
reduced and your heart pumps more blood to your head. While stopping
rapidly there is much more gravity pulling on you and the blood pools
toward your legs. The same thing happens in zero-gravity.

Any discussion on this will be appreciated.

-------------------------------------------------------------

This signature is now the ultimate power in the Universe


Horvath

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