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Basal metabolic rate (BMR) is the rate of energy expenditure per unit time by endothermic animals at rest. [1] It is reported in energy units per unit time ranging from watt (joule/second) to ml O 2 /min or joule per hour per kg body mass J/(h·kg). Proper measurement requires a strict set of criteria to be met.
The Harris–Benedict equation (also called the Harris-Benedict principle) is a method used to estimate an individual's basal metabolic rate (BMR).. The estimated BMR value may be multiplied by a number that corresponds to the individual's activity level; the resulting number is the approximate daily kilocalorie intake to maintain current body weight.
The Schofield Equation is a method of estimating the basal metabolic rate (BMR) of adult men and women published in 1985. [1] This is the equation used by the WHO in their technical report series. [2] The equation that is recommended to estimate BMR by the US Academy of Nutrition and Dietetics is the Mifflin-St. Jeor equation. [3]
Basal metabolic rate (BMR) accounts for about 60% of the calories you burn each day. To calculate your BMR, you should use the Mifflin-St. Jeor equation, which is the most accurate.
Basal metabolic rate (BMR) is how many calories you need for basic bodily functions. Here's how to calculate it for women and why it matters for health.
Metabolic rate contributing solely to useful work should scale with power 1 (linearly), whereas metabolic rate contributing to heat generation should be limited by surface area and scale with power 2 ⁄ 3. Basal metabolic rate is then the convex combination of these two effects: if the proportion of useful work is f, then the basal metabolic ...
The metabolism of an animal is estimated by determining rates of carbon dioxide production (VCO 2) and oxygen consumption (VO 2) of individual animals, either in a closed or an open-circuit respirometry system. Two measures are typically obtained: standard (SMR) or basal metabolic rate (BMR) and maximal rate .
The physical activity level is defined for a non-pregnant, non-lactating adult as that person's total energy expenditure (TEE) in a 24-hour period, divided by his or her basal metabolic rate (BMR): [2]