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Old May 7th, 2006
ncunuclear718 ncunuclear718 is offline
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Re: Do you know what MDR is?

Quote:
Originally Posted by naiad
My heart rate doesn't always decrease when I hold my breath, in fact some of my best times have been done with a high heart rate. I certainly can't hold my breath longer underwater than I can on land.
High heart rate!! Are you have hyperventilation?
If you do that you can got your new PB but that is dangerous for diving right?
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