Relationships Between Body Roundness with Body Fat and Visceral Adipose Tissue Emerging from a New Geometrical Model

Overview

Journal Obesity (Silver Spring)

Specialties Endocrinology
Nutritional Sciences
Physiology

Date 2013 Mar 23

PMID 23519954

Citations 267

Authors

Diana M Thomas

Carl Bredlau

Anja Bosy-Westphal

Manfred Mueller

Wei Shen

Dympna Gallagher

Yuna Maeda

Andrew McDougall

Courtney M Peterson

Eric Ravussin

Steven B Heymsfield

Affiliations

Soon will be listed here.

Abstract

Objective: To develop a new geometrical index that combines height, waist circumference (WC), and hip circumference (HC) and relate this index to total and visceral body fat.

Design And Methods: Subject data were pooled from three databases that contained demographic, anthropometric, dual energy X-ray absorptiometry (DXA) measured fat mass, and magnetic resonance imaging measured visceral adipose tissue (VAT) volume. Two elliptical models of the human body were developed. Body roundness was calculated from the model using a well-established constant arising from the theory. Regression models based on eccentricity and other variables were used to predict %body fat and %VAT.

Results: A body roundness index (BRI) was derived to quantify the individual body shape in a height-independent manner. Body roundness slightly improved predictions of %body fat and %VAT compared to the traditional metrics of body mass index (BMI), WC, or HC. On this basis, healthy body roundness ranges were established. An automated graphical program simulating study results was placed at http://www.pbrc.edu/bodyroundness.

Conclusion: BRI, a new shape measure, is a predictor of %body fat and %VAT and can be applied as a visual tool for health status evaluations.

Citing Articles

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Zhang F, Shi W, Wen J, Cao H, Xu W, Lan T Front Endocrinol (Lausanne). 2025; 16:1532344.

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Association between body roundness index and sleep disorder: the mediating role of depression.

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