Although this method is highly accurate you have to be dead in order for it to happen. The flat belly cheat sheet.
Advanced Body Composition Assessment From Body Mass Index To
Electric body fat measurement accuracy. Bioelectrical impedance analysis does not provide an exact measurement of your total body fat. Results from portable body fat analyzers can vary though. While the nokia body cardios battery life is in its own league our review found garmins battery life of 9 months quite impressive as well. When we asked qardio. In one study the disagreement between bia and the 4 compartment model ranged from 36 to 48 for measuring change. Often used by fitness professionals calipers are used to literally pinch your skin folds usually around the waist or hips to estimate your body fat.
Although the technology is improving its hard to get an accurate body fat measurement from most available commercial body fat analyzers. The accuracy of this method varies. The use of multiple frequencies in specific bia devices that utilize eight electrodes has been found to have a 94 correlation method with dexa when measuring body fat percentage. Measurement errors can range from 355 body fat. I have witnessed gross overestimations of body fat in people who have used bia in health clubs. The correlation with dexa is as high as 99 when measuring lean mass if strict guidelines are adhered to.
Researchers have looked at the accuracy of bia for tracking body fat change over time. The only way to measure your body fat is to have it stripped out placed on a scale and weighed. Even if you get an accurate reading on a bioimpedance scale the number represents an estimate of your total body fat percentage. The skill of the person performing the skinfolds can vary impacting the accuracy. Five of the body fat scales read weight accurately but one the qardio qardiobase which happened to be one of the priciest routinely overestimated weight by 6 to 10 pounds. Various types of body fat analyzers also called impedance meters are available to the general public.
While the department of kinesiology and health at georgia state university notes that the accuracy of bia can be 3 from the real body fat i find this statement to be overly complimentary of this method. No body fat test be it body fat percentage scales dexa or skinfold calipers can accurately measure how much fat you have. While most people will rely on fitness trackers the garmin index smart scale can give some of the most accurate metrics including weight body water body fat bone mass and body mass index bmi. This means you could lose 36 body fat but bia would show no change. Most scales also cannot tell you where fat is located on your body.