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Bod Pod facilities in the NY/ Metro Area
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<blockquote data-quote="Nelson Vergel" data-source="post: 45405" data-attributes="member: 3"><p>[ATTACH]2271[/ATTACH]</p><p></p><p></p><p>The BOD POD is an Air Displacement Plethysmograph (ADP) that uses whole body</p><p>densitometry to determine body composition (fat vs. lean). Similar in principle to underwater weighing, the BOD POD measures body mass (weight) using a very precise scale, and volume by sitting inside the BOD POD. Body density can then be calculated:</p><p></p><p>Density = Mass/Volume</p><p></p><p>Once the overall density of the body is determined, the relative proportions of body fat and lean body mass are calculated. The BOD POD differs from underwater weighing in that the BOD POD uses air instead of water to measure body volume, based on the physical relationship between pressure and volume. This relationship allows for the derivation of an unknown volume by directly measuring pressure. </p><p></p><p>During a measurement, the BOD POD produces very small volume changes inside the chamber and measures the pressure response to these small volume</p><p>changes. To accomplish this, the interior volume of the empty BOD POD chamber is first determined, then the volume when the subject is seated inside the BOD POD is also determined.</p><p></p><p>By subtraction, the subject's volume is obtained. For example, if the interior air volume of the empty chamber is 400 liters, volume of the chamber is reduced to 350 liters with the subject inside, then the body volume of the subject is 50 liters.</p><p></p><p><a href="http://ybefit.byu.edu/portals/88/documents/how%20does%20the%20bod%20pod%20work.pdf" target="_blank">http://ybefit.byu.edu/portals/88/documents/how does the bod pod work.pdf</a></p></blockquote><p></p>
[QUOTE="Nelson Vergel, post: 45405, member: 3"] [ATTACH=CONFIG]2271[/ATTACH] The BOD POD is an Air Displacement Plethysmograph (ADP) that uses whole body densitometry to determine body composition (fat vs. lean). Similar in principle to underwater weighing, the BOD POD measures body mass (weight) using a very precise scale, and volume by sitting inside the BOD POD. Body density can then be calculated: Density = Mass/Volume Once the overall density of the body is determined, the relative proportions of body fat and lean body mass are calculated. The BOD POD differs from underwater weighing in that the BOD POD uses air instead of water to measure body volume, based on the physical relationship between pressure and volume. This relationship allows for the derivation of an unknown volume by directly measuring pressure. During a measurement, the BOD POD produces very small volume changes inside the chamber and measures the pressure response to these small volume changes. To accomplish this, the interior volume of the empty BOD POD chamber is first determined, then the volume when the subject is seated inside the BOD POD is also determined. By subtraction, the subject's volume is obtained. For example, if the interior air volume of the empty chamber is 400 liters, volume of the chamber is reduced to 350 liters with the subject inside, then the body volume of the subject is 50 liters. [URL]http://ybefit.byu.edu/portals/88/documents/how%20does%20the%20bod%20pod%20work.pdf[/URL] [/QUOTE]
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Bod Pod facilities in the NY/ Metro Area
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