Which method of assessing body fat percentage involves an electric current flowing through the body?
Added by Larry P.
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Step 1: The method of assessing body fat percentage that involves an electric current flowing through the body is called Bioelectrical Impedance Analysis (BIA). Show more…
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It's possible to estimate the percentage of fat in the body by measuring the resistance of the upper leg rather than the upper arm; the calculation is similar. A person's leg measures $40 \mathrm{cm}$ between the knee and the hip, with an average leg diameter (ignoring bone and other poorly conducting tissue) of $12 \mathrm{cm} .$ A potential difference of $0.75 \mathrm{V}$ causes a current of $1.6 \mathrm{mA}$. What are the fractions of (a) muscle and (b) fat in the leg?
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