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Re: 300+lb woman ( 134 +kg)From: Robert J. Woolley (wooll005@tc.umn.edu)Thu Mar 4 19:18:57 1999
In message <199903050115.TAA05802@talk.obgyn.net> writes: > At Thu, 4 Mar 1999, Robert J. Woolley wrote: > > > >I'll pass on the interesting questions of whether it's of proven benefit for > >such a case, and only point out that it's not terribly difficult to weigh > >somebody over 300 lbs on a 300-lb scale, using the rubber-band technique. > You > >will certainly lose some precision, but I would guess you can get within 5 > lbs > >or so, if she's not over, say, 400. > > Now, don't be coy, Bob. Is this like the stethoscope trick, or is this > something else the uninformed should know about? Elucidate, please? I don't know about a stethoscope trick, but I'm guessing it's the same principle. I weigh myself, 145 lbs. I put a rubber band on the scale so that it is pulling the right end of the balance beam(s) to the frame of the scale. I weigh myself again. Now the scale reads, say, 60 pounds, and we deduce that the rubber band is adding 85 pounds to the scale reading. Without adjusting anything, I now weigh the patient. If the scale read, say 240 pounds, we add back the 85 that the rubber band is exerting, and conclude that she weighs 325. ---------------------------------------------------------------------------
--------------------------------------------------------------------------- Bob Woolley -- --------------------------------------------------------------------------- St. Paul, Minnesota
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