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From: <kirvine@sa*.ne*>
Date: Sun, 31 Oct 1999 15:49:26 -0500
To: "Michael J. Black" <mjblackmd@ya*.co*>
CC: Aquanaut Mail <techdiver@aquanaut.com>
Subject: Re: Exercise and Diving
Dr. Black, we are getting great results as far as decompression, thermal
tolerance, stamina, alertness, glucose level maintenance, and post dive
condition for the same divers who have followed an exercise regimen over
what they used to experience, and fit divers over unfit.

We also are using blood tests before and after the dives as well as
doppler and the more subjective heart rate during excercise tests and
the times for running and swimming tests to determine damage.

On some of these guys we are getting no markers of any kind that even
indicate that they have been diving.

In addition , the guys who also do not use any alchohol and eat properly
seem to either show no bubble post dive at all, or eliminated them
rapidly , as in 30 minutes, something that is not supposed to be
possible. In my case, the attending Navy doctors said they had "never
seen anything like this".

It is hard to say what is causing what, but I can say that my divers who
have no preconditions, who follow the regimen, and who take it
seriously, do not get dcs of any kind, and we are talking exposures that
are insane with deco that is a third of what the most aggressive program
would call for. Plug 300 for 300 into any program and see if you can get
the 8.5 hours of deco that I actually did, and walked away from
unscathed. 

We are also talking no oxygen damage.

I would like to see any of our competition take any blood tests - I
doubt any of them would sit for that. The multiple blood tests on me
also removed any of the other bullshit rumors as to what we use to do
this.

As you know from being an MD, there is no substitute for an aerobic
base, ond only one way to get it - hard work. As you also said, the
benefits extend way beyond diving.

Michael J. Black wrote:
> 
> Although I am relatively new to the list, I have
> picked
> up some useful information.  As a physician I find
> that
> most of my patients don't exercise enough, and in fact
> most people in general don't exercise nearly as much
> as
> they should.  I am very much aware of the risks
> associated with exercise after diving, in particular
> the increased risk of developing decompression
> illness,
> both clinically and subclinically.
> 
> I have read, with interest, some of the
> recommendations
> made by you folks with regard to which gas mixtures
> are
> best and/or safest, especially if heavy exercise is
> anticipated during the desaturation interval following
> a technical dive.  I am beginning to think that
> Nitrogen may someday become obsolete as a breathing
> gas, and maybe we should eliminate it altogether when
> diving.
> 
> While I don't care to enter the war of insults that
> inundate this list, I do appreciate the information.
> Mr. Irvine has taught me a few useful things already,
> and when I read about how much he exercises, (running,
> biking, etc.) that certainly adds credibility to what
> he says, like it or not.  Maintaining a certain level
> of physical fitness is fundamental to safe diving,
> whether recreational or technical.  I will continue to
> watch this list for tips.  Thanks George, and thanks
> to the others who exercise hard while pushing the
> diving envelope.
> 
> Michael J. Black, M.D.
> 
> =====
> 
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