Saturday, June 19, 2010

Body mass index

Body Mass Index (BMI) Quetelet Index is a statistic or measure of the weight of the person, weight and size. Although in reality do not measure the proportion of fat, was used to estimate a healthy body weight to body size of the person. Thank you for your simple measurement and calculation is the most commonly used diagnostic tool, to problems in the population to identify weight in general, if people are underweight, overweight or obese. Was between 1830 and 1850, the Belgian Adolphe Quetelet made study the development of "social physics". [1], body mass index, which is divided by weight as the size of the place. The preparations, which are commonly used in pharmaceutical production unit kg/m2. BMI BMI chart can be calculated [2], which shows a BMI of weight (horizontal axis) and height (vertical axis), and contour lines of the different values of BMI or colors of the different BMI categories .

SI units \mathrm{BMI} = \frac{\mbox{mass} \  \mbox{(kg)}}{\left( \mbox{height}(\mathrm{m})\right)^2}
Imperial units \mbox{BMI} = \frac{\mbox{mass} \ \mathrm{(lb)}  \times 703}{\left(\mbox{height} (\mathrm{in})\right)^2}
\mathrm{BMI} = \frac{\mbox{mass} \  \mathrm{(lb)} \times 4.88}{\left(\mbox{height} (\mathrm{ft})\right)^2}

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