To determine your body composition, use a scale that utilizes a safe, low-level amount of electricity, known as bioelectrical impedance, to determine the body fat percentage. Since fat does not conduct much bioelectricity, a higher degree of impedance of the electrical charge is associated with a higher body fat percentage. The most popular scales of this sort are manufactured by Tanita and cost anything from $55 to $200, depending upon desired features. Another, less-expensive option is the Accu-Measure skin caliper. This is a simple tool that lets you estimate your body fat percentage by measuring the fat under the skin of the abdomen. Ideally, women should strive to keep their body fat percentage below 25 percent and men below 20 percent.
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