Body measurements Info

Measurement errors can range from 35. Macias n1 alemán mateo h esparza romero j valencia me. Focusing on body fat percentage instead of weight is much more useful. Percentage of body fat is strongly associated with the risk of several chronic diseases but its accurate measurement is difficult. Clinical sports nutrition 2 nd ed the mcgraw hill co australia faria fr et al 2013. Bioelectric impedance vector analysis biva is a graphic display that was developed by professor a.

Body fat measurement by bioelectrical impedance and air displacement plethysmography. 1centro de investigación en nutrición y salud instituto nacional de salud pública. Bioelectrical impedance analysis bia is a commonly used method for estimating body composition in particular body fat and muscle massin bia a weak electric current flows through the body and the voltage is measured in order to calculate impedance resistance of the body. This is possible simply because different bodily tissues eg. Bioelectrical impedance analysis bia is a relatively simple quick and non invasive technique to measure body composition. However the convienience of this method comes at a price of accuracy.

Quantities of fat mass and fat free mass by running a small electrical current through the body. In part 2 you learned about underwater weighing and in part 3 you learned about the bod pod. Most body water is stored in muscle. The 4 compartment model is currently the gold standard when it comes to predicting body composition and is the benchmark against which other body fat tests are compared. Body fat equations and electrical bioimpedance values in. Body fat scales can be an easy way to track your body fat percentage but they may not tell the complete story about your health.

Accuracy can also vary depending on various factors including. A cross validation study to design bioelectrical impedance equations in mexican adults. Bioelectrical impedance analysis bia is able to make an estimation of body composition eg. They compared several body fat tests including bioelectrical impedance the technology used in body fat scales with something called the 4 compartment model. It presents coordinate systems with tolerance ellipses for the graphic display of body impedance and fat mass indices. Electrical impedance myography is a third method that measures your bodys.

Piccoli for a better interpretation of body impedance. Muscle fat bone etc all have varying amounts of water content and as a result they all differ in terms of electrical conductivity. Burke l deakin v 2002. In part 1 of this series you learned about how body fat testing is a prediction not a measurement. Now lets talk about bia. Bioelectrical impedance bia bia is one of the quickest and easiest methods for predicting body fat.