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Saturday, December 23, 2017

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The Harris-Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR) and daily kilocalorie requirements. The estimated BMR value is multiplied by a number that corresponds to the individual's activity level. The resulting number is the recommended daily kilocalorie intake to maintain current body weight.

The Harris-Benedict equation may be used to assist weight loss -- by reducing kilocalorie intake number below the estimated maintenance intake of the equation.


Video Harris-Benedict equation



Step 1 - Calculating the Harris-Benedict BMR

The original Harris-Benedict equations published in 1918 and 1919.

The Harris-Benedict equations revised by Roza and Shizgal in 1984.

The 95% confidence range for men is ±213.0 kcal/day, and ±201.0 kcal/day for women.

The Harris-Benedict equations revised by Mifflin and St Jeor in 1990:


Maps Harris-Benedict equation



Step 2 - Determine Recommended Intake

The following table enables calculation of an individual's recommended daily kilocalorie intake to maintain current weight.


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History

The Harris-Benedict equation sprang from a study by James Arthur Harris and Francis Gano Benedict, which was published in 1919 by the Carnegie Institution of Washington in the monograph A Biometric Study Of Basal Metabolism In Man. A 1984 revision improved its accuracy. Mifflin et al. published an equation more predictive for modern lifestyles in 1990. Later work produced BMR estimators that accounted for lean body mass.


Harris-Benedict Equation - YouTube
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See also

  • Food energy
  • Basal metabolic rate
  • Resting metabolic rate

Introduction to Weight Loss Counseling for Family Medicine ...
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Cited sources


Accuracy of predictive equations for resting energy expenditure ...
src: e-nrp.org


External links

  • Harris-Benedict BMR Calculator at WebMD
  • About.com's BMR Calculator

Source of article : Wikipedia