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Tuesday, 14 May 2013

Body Com Bioelectrical impedance analysis Shaun Ng

Bioelectrical impedance analysis (BIA) is a commonly used method for estimating body composition, the method has become popular owing to its ease of use, portability of the equipment and its relatively low cost compared to some of the other methods of body composition analysis. It is familiar in the consumer market as a simple instrument for estimating body fat. It actually determines the electrical impedance, or opposition to the flow of an electric current through body tissues which can then be used to calculate an estimate of total body water (TBW). TBW can be used to estimate fat-free body mass and, by difference with body weight, body fat.

However, it is deemed not that accurate and the results varied a lot. 


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