A body composition scale uses a weak electrical current to measure your body fat and fat free mass. Bioelectrical impedance measures your bodys resistance to an electrical signal.
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What is body composition a measure of. The idea is that lean mass contains more water and electrolytes which conduct electrical current. Weight is an overall measure of your body mass. Therefore you can estimate body composition based on the amount of current that flows through your body. These scales are often made of glass and steel to help the electricity conduct properly. A quick google search will reveal a number of different ways to measure body mass and composition. Remember body composition is the ratio of fat mass and fat free mass used to help determine health risks.
At any rate these 9 indicators are some of the most important factors to consider. This measurement includes all of the elements of your body bones blood organs muscles and fat. Advancements to the technology affords dexa the ability to differentiate lean and fat allowing this technology to advance from a 2 compartment model to a 3 compartment model. Its advantage is that it can measure the body composition of bone density body fat and muscle mass for different parts. Of the other methods already mentioned waist waist to hip ratio and bmi none provide estimates of body composition but do provide measurements of other weight related health markers such as abdominal fat. They will have a viewing screen where you can determine your body fat percentage your weight and your body water percentage.
The most accurate estimation of body composition is derived from body density by means of the equation of fractional densities which states that the overall density of a mixture containing more than one substance each with a different density can be calculated if the proportion and density of each component substance is known.
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