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Best Fat Paysites
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| body, men / portrayals, panasonic, protein, minolta, coronary heart disease, leo szilard, our, calculate body fat, inkjets, bodyfat analyzer, pigs, food label, conclusions, okidata, tanita bf 682, overweight, backache, inkjet cartridge, heat pack, body mass, | To date, studies conducted with this method have produced mixed results; a high degree of error has occurred with very lean and very obese k40 people; and the validity of a single-site measurement at the biceps is questionable. Numerous sources report that more research is needed to substantiate the validity, accuracy and applicability of this method. DEXA Duan Energy X-ray Absorptiometry A relatively new technology that is very accurate and precise, DEXA is based on a three-compartment model that divides the k40 body into total body k40 mineral, fat-free soft (lean) mass, and fat tissue mass. The principle of this technique is based on the assumption that bone mineral content is directly proportional to the amount of photon energy absorbed by the bone being studied. |
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| NIR Near-infrared Interactance A fiber optic probe is connected to a digital analyzer that indirectly measures the tissue composition (fat and water) at various sites on the body. This method is based on studies that overweight show optical densities are linearly related to subcutaneous and total body fat. The biceps is the most often used single site for estimating body fat using the NIR method. The NIR light penetrates the overweight tissues and is reflected off the bone back to the detector. The NIR data overweight is entered into a prediction equation with the person's height, weight, frame size, and level of activity to estimate the percent body fat. This method has become popular outside of the laboratory because it is simple, fast, noninvasive, and the equipment is relatively inexpensive. However, the amount of pressure applied to the fiber optic probe during measurement may affect the values of optical densities, and skin color and hydration level may be potential sources of error. |
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