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Body roundness index (BRI) is a calculated geometric index used to quantify an aspect of a person's individual body shape. Based on the principle of body eccentricity, it provides a rapid visual and anthropometric tool for health evaluation. [1] Introduced in 2013, the BRI calculation can be used to estimate total and visceral body fat.
Defined by Wadell in 1935, [1] the sphericity, , of an object is the ratio of the surface area of a sphere with the same volume to the object's surface area: = where is volume of the object and is the surface area.
Roundness is the measure of how closely the shape of an object approaches that of a mathematically perfect circle. Roundness applies in two dimensions , such as the cross sectional circles along a cylindrical object such as a shaft or a cylindrical roller for a bearing .
What is the body roundness index and is it better than BMI? Here's how BRI works and how it's used to calculate obesity and a measure of a person's health.
Body roundness index takes into account a person's height and waist circumference to determine whether they ... How do I calculate my own BRI? BRI is calculated using a mathematical formula: 364.2 ...
The Body Roundness Index is similar to the Body Mass Index, but relies on more anthropometric variables. The BRI which was first proposed in 2013 , uses height, weight, waist circumference, and ...
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The body mass index (BMI) considers the height-weight relationship as a health indicator, while the body roundness index (BRI) measures abdominal body fat and height. BMI has often been criticized ...