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Rob, so we have two tests available : emersion test for percentage body fat AND also the VO2 Max test (which should correlate max oxygen processing ability per Kilo of body weight---to gas exchange rates and nitrogen absorbtion. Dan >>I should have added here that the sedentary or particulary overweight and >>lower VO2 Max divers, while probably being just fine at the 50 foot and 40 >>foot stops (for the profile mentioned above), may be far safer in extending >>their 30, 20, and particularly their 10 foot stops, beyond the table >>predicted time periods for each stop depth. And this is an area (that is, >>persons in the low VO2 max and/or heavily overweight area) where >>individualized gas exchange correction could make many persons engaged in >>technical diving considerably safer. > >Sorry you missed my comment in the last posting (geez, we got a bunch of >stuff bouncing around out there...hard to keep track) > >I mentioned the relative increase in N2 solubilty in fat (some 5X >compared to lean muscle mass) so that the overweight diver will simply >have more N2 on-board to off-gas. That theory fits nicely with your >comments since the degree of saturation should increase with depth (the >sport divers being shallow shouldn't pick as much N2 for the same bottom >time as the deep guys) and yes it seems to make sense to me for them to >increase their stops beyond the tables since they have more gas to >equilibrate and dissolve out of solution in the tissues. > >It would be ideal to correct the tables for individual percentages of >body fat (if only we knew how much?) > >Robb Wolov > > Dan Volker SOUTH FLORIDA DIVE JOURNAL "The Internet magazine for Underwater Photography and mpeg Video" http://www.florida.net/scuba/dive 407-683-3592
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