Body volume index
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| Eight women with the same BMI rating (BMI - 30) but with different weight distribution and abdominal volume, so they have different BVI ratings]] |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
The Body Volume Index (BVI) has been proposed as an alternative to Body Mass Index (BMI).
Whereas BMI is based on measurement of total mass, irrespective of the location of the mass, BVI looks at the relationship between mass and volume distribution (i.e. where the body mass is located). Recent studies have highlighted the limitations of BMI as an indicator of individual health risk.[1] [2]
BVI as an application for body shape and obesity measurement
The Body Volume Index was devised in 2000 as a computer based measurement of the human body for obesity and an alternative to the Body Mass Index (BMI)
It is an application that can be used on any 3D Body Scanner, whether the scanning hardware uses visible light optical information or otherwise to determine individual health risk. BVI can differentiate between people who have the same BMI rating, but who have a different shape and different weight distribution.
Whereas the BMI of a person is measured manually by total weight and height, BVI is calculated by using 3D body data to determine volume or weight distribution. BVI measures where the weight and the fat are located on the body rather than total weight or total fat content. There has been an increasing acceptance in recent years that abdominal fat and weight around the abdomen constitute a greater health risk. [3] A body surface scanner determines the three-dimensional outline of a person's exterior surface, so that computation can be used to calculate the part volumes and the part body composition of that person. BVI makes an inference as to the body's distribution of fat and weight using complex and detailed Body Composition data.[4]
Most 3D scanners suitable for BVI require that the subject is scanned for a series of images under varying lighting conditions (various projected patterns), to determine body shape and weight distribution data for individual patient and statistical analysis.
References
- ↑ A. Romero-Corral, V. K. Somers, J. Sierra-Johnson, R. J. Thomas, M. L. Collazo-Clavell, J. Korinek, T. G. Allison, J. A. Batsis, F. H. Sert-Kuniyoshi & F. Lopez-Jimenez (June 2008). "Accuracy of body mass index in diagnosing obesity in the adult general population". International Journal of Obesity 32 (6): 959–956. doi:10.1038/ijo.2008.11. PMID 18283284.
- ↑ "Association of bodyweight with total mortality and with cardiovascular events in coronary artery disease: a systematic review of cohort studies.". Lancet (2006-08-19;368(9536):666-78). Retrieved on 2008-09-08
- ↑ Craver, R.(10 September 2008) "Location, not volume, of fat found to be key" www.journalnow.com. Retrieved on 2008-10-09
- ↑ Tahrani, Abd (10 April 2008). "Body volume index: time to replace body mass index?". Endocrine Abstracts. Society for Endocrinology, British Endocrine Societies. 15: 104. Retrieved 2008-09-07. Unknown parameter
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