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Date: Sun, 22 Mar 1998 14:34:33 -0500 (EST)
To: techdiver@aquanaut.com
From: Jerry Shine <shine@pi*.co*>
Subject: Re: VO2 max tests !!!
At 01:03 PM 3/22/98 -0500, Dan Volker wrote:

>The VO2 max test will require an ergometer ( standing bike with wattage
>output meter) , since it is the most universally available tool to test VO2
>max with, it more closely approximates the cardiovascular and muscular
>demands of swimming with fins on, and because if we want to do chamber
>simulations, the ergometer will be the easiest to use in the chamber .

Aha.  Makes sense to me.  Just out of curiosity, how or where does lactate
threshold fit into your in-gassing/offgassing model?  Back in the
mid-1970's, researchers discovered that Frank Shorter had a relatively low
VO2 max, but an extremely high LT, causing a few to begin questioning
whether VO2 max was as important to long-distance runners as previously
thought.  It's taken a while but from my unscientific sampling of the
research over the last few years, it seems that more and more exercise
physiologists are coming down in favor of a high LT being more important.
Kenyan runners would seem a good example of this.  I haven't seen any
numbers comparing their VO2 maxes to their LTs, but I have seen their
workout schedules and they're clearly designed to emphasize LT over VO2 max.

Now, as you correctly pointed out, cycling better mimics swimming with fins
than does running.  But since it would seem that lactate build-up is even
more important in cycling than running (correct me if I'm wrong about this:
as a non-cyclist it just looks that way to me), is VO2 max vs. LT a question
being raised in cycling circles (no pun intended)?  If it isn't, I'd be
curious to know why not.  If it is, wouldn't it also need to figured into
your diving model due to its similarity to fin swimming?  Thanks.

Shine



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