Muscle fat bone etc all have varying amounts of water content and as a result they all differ in terms of electrical conductivity. Since the advent of the first commercially available devices.
Body Fat Percentage Bioelectrical Impedance Analysis Bia
Bioelectrical impedance analysis for body fat measurement. Bioelectrical impedance analysis is a commonly used method for estimating body composition in particular body fat and muscle mass. In bia a weak electric current flows through the body and the voltage is measured in order to calculate impedance of the body. Bioelectrical impedance analysis bia is a method for measuring body composition based on the rate at which an electrical current travels through the body. Escali bfbw180 advanced bioelectrical impedance analysis bia technology calculates body fatwater percentages bathroom scale lcd digital display 400lb capacity clear 40 out of 5 stars 388 4499 44. A small current is used to measure the resistance at difference frequencies against the various tissues in the body eg fatlipid has a high resistance to the flow of current therefore shows a high impedance reading. Bioelectrical impedance analysis bia is able to make an estimation of body composition eg.
It measures body fat accurately in controlled clinical conditions but its performance in the field is inconsistent. Most body water is stored in muscle. This is possible simply because different bodily tissues eg. Quantities of fat mass and fat free mass by running a small electrical current through the body. Body fat adipose tissue causes greater resistance impedance than fat free mass and slows the rate at which the current travels. Bia or bioelectrical impedance analysis is a non invasive measurement of body fat lean muscle mass and hydration.
Bioelectrical impedance analysis bia is a relatively simple quick and non invasive technique to measure body composition. Therefore if a person is more muscular there is a high chance that the person will also have more body water which leads to lower impedance.
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