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From: Hans Petter Roverud <proverud@on*.no*>
Date: Mon, 1 Dec 1997 09:04:26 EST
Subject: Re: Physical Training- Before/After Extreme Exposures
To: techdiver@aquanaut.com
I don't think anybody knows for sure. There's
circumstantial evidence indicating that pre-dive
work-outs may be a problem as regards minor 
injuries. Sore muscles, bruises and sprains may 
do enough damage to local circulation to change
your on/off-gassing rates. It's possible that bichemical responses to injury
(e.g. complement system) may be triggered and respond more vigorously to
bubbles, but this is even more uncertain. The best advice is to avoid diving
while you're suffering from minor athletic injuries.

Post-dive work-outs are discouraged because they're thought to provoke bubbling
in supersaturated tissues. My educated guess is that this would be relevant up
to a few hours after a dive only. Micro-bubbles tend to peak after 30 min to
1.5 hours. If you avoid work-outs within this time frame + a safety margin
you'll be past the critical period.

Another reason for avoiding sore muscles, pre- as well as post-dive, is that it
may mask the symptoms of decompression sickness. You'll be prone to asign any
pain to the work-out, which may or may not be true. 
  
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