Thanks!! I got on the scale last night and it said I had 12% MORE body fat then the last caliper test that PT Heather did on me.... I DON'T THINK SO!!

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the scales, and i think this is the same for the thing you just hold, send a really mild electrical current through your body, and calculate your body fat %age by the resistance. it's less accurate than calipers, which are less accurate than the (really expensive) submersion measurements.

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