Underwater weighing | definition of underwater weighing by Medical dictionary
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un·der·wat·er weigh·ing (ŭn'dĕr-waw'tĕr wā'ing)
Assessment of body volume by measuring a person's weight in air and again under water; loss of scale weight (corrected for water density) equals body volume. Body density (body mass:volume ratio) is then used to compute percent body fat.
, hydrostatic weighing
References in periodicals archive
Validity of this approach has been demonstrated in children, with two or more skinfolds at different sites having high correlation with estimation of body fatness from underwater weighing
fat quantities ranged from 10 5 percent with DEXA (a highly accurate method used primarily in research facilities), 9 percent with underwater weighing
An underwater weighing
system utilizing force cube transducers.
The most accurate test, underwater weighing
, is also the most cumbersome and thus is not available except in some hospitals and research labs.