Body Mass Index: Difference between revisions
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* BMI is a useful measurement for most people over 18 years old. However it is only an estimate and not taking into account age, ethnicity, gender and body composition. It is recommended to check waist measurement and other risk factors<ref>Heart Foundation BMI Available: https://www.heartfoundation.org.au/bmi-calculator (accessed 13.8.2021)</ref> | * BMI is a useful measurement for most people over 18 years old. However it is only an estimate and not taking into account age, ethnicity, gender and body composition. It is recommended to check waist measurement and other risk factors<ref>Heart Foundation BMI Available: https://www.heartfoundation.org.au/bmi-calculator (accessed 13.8.2021)</ref> | ||
== | == Definition == | ||
Body mass index or BMI is a statistical index using a person's weight and height to provide an estimate of body fat in males and females of any age. It is calculated by taking a person's weight, in kilograms, divided by their height, in meters squared, or BMI = weight (in kg)/ height^2 (in m^2). The number generated from this equation is then the individual's BMI number. | |||
The National Institute of Health (NIH) now uses BMI to define a person as underweight, normal weight, overweight, or obese instead of traditional height vs. weight charts. These classifications for BMI are in use by the NIH and the World Health Organization (WHO) for White, Hispanic, and Black individuals. The cutoffs underestimate the obesity risk in the Asian and South Asian populations, so their classification has slightly different. | |||
Individual variations do exist, and BMI is insufficient as the sole means of classifying a person as obese or malnourished an example being - In elite athletes and body-builders, an elevated BMI does not directly correlate to their health status due to their increased muscle mass and weight falsely increasing their BMI.<ref>Weir CB, Jan A. BMI Classification Percentile And Cut Off Points. [Updated 2021 Jun 29]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan-.Available:https://www.ncbi.nlm.nih.gov/books/NBK541070/#!po=81.2500 (accessed 13.8.2021)</ref> | |||
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Revision as of 08:32, 13 August 2021
Original Editor - Lucinda hampton
Top Contributors - Lucinda hampton, Kim Jackson and Naomi O'Reilly
Introduction[edit | edit source]
Body mass index, or BMI, is used to determine a person’s healthy weight range for their height.
- It is useful to consider BMI alongside waist circumference, as waist measurement helps to assess risk by measuring the amount of central fat.
- BMI is a useful measurement for most people over 18 years old. However it is only an estimate and not taking into account age, ethnicity, gender and body composition. It is recommended to check waist measurement and other risk factors[1]
Definition[edit | edit source]
Body mass index or BMI is a statistical index using a person's weight and height to provide an estimate of body fat in males and females of any age. It is calculated by taking a person's weight, in kilograms, divided by their height, in meters squared, or BMI = weight (in kg)/ height^2 (in m^2). The number generated from this equation is then the individual's BMI number.
The National Institute of Health (NIH) now uses BMI to define a person as underweight, normal weight, overweight, or obese instead of traditional height vs. weight charts. These classifications for BMI are in use by the NIH and the World Health Organization (WHO) for White, Hispanic, and Black individuals. The cutoffs underestimate the obesity risk in the Asian and South Asian populations, so their classification has slightly different.
Individual variations do exist, and BMI is insufficient as the sole means of classifying a person as obese or malnourished an example being - In elite athletes and body-builders, an elevated BMI does not directly correlate to their health status due to their increased muscle mass and weight falsely increasing their BMI.[2]
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References[edit | edit source]
- ↑ Heart Foundation BMI Available: https://www.heartfoundation.org.au/bmi-calculator (accessed 13.8.2021)
- ↑ Weir CB, Jan A. BMI Classification Percentile And Cut Off Points. [Updated 2021 Jun 29]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021 Jan-.Available:https://www.ncbi.nlm.nih.gov/books/NBK541070/#!po=81.2500 (accessed 13.8.2021)
