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  2. Institute of Medicine Equation - Wikipedia

    en.wikipedia.org/wiki/Institute_of_Medicine_Equation

    The Estimated Energy Requirement, , is the estimated number of daily kilocalories, or Calories, an individual requires in order to maintain his or her current weight. For a person with a body mass of m {\displaystyle m} (kg), height of h {\displaystyle h} (m), age of a {\displaystyle a} (years) and Physical Activity PA {\displaystyle {\text{PA ...

  3. Schofield equation - Wikipedia

    en.wikipedia.org/wiki/Schofield_equation

    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]

  4. Harris–Benedict equation - Wikipedia

    en.wikipedia.org/wiki/Harris–Benedict_equation

    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.

  5. Resting metabolic rate - Wikipedia

    en.wikipedia.org/wiki/Resting_metabolic_rate

    For example, following analysis of oxygen consumption of a human subject, if 5.5 kilocalories of energy were estimated during a 5-minute measurement from a rested individual, then the resting metabolic rate equals = 1.1 kcal/min rate.

  6. Energy expenditure - Wikipedia

    en.wikipedia.org/wiki/Energy_expenditure

    Formulas have been devised to estimate energy expenditure in humans, but they may not be accurate for people with certain illnesses [13] [14] [15] or the elderly. [16] Not all formula are accurate in overweight or obese individuals. [17] Wearable devices can help estimate energy expenditure from physical activity but their accuracy varies. [18]

  7. Dietary Reference Intake - Wikipedia

    en.wikipedia.org/wiki/Dietary_Reference_Intake

    Estimated Average Requirements (EAR), are expected to satisfy the needs of 50% of the people in that age group based on a review of the scientific literature. Recommended Dietary Allowances (RDA), the daily dietary intake level of a nutrient considered sufficient by the Food and Nutrition Board of the Institute of Medicine to meet the ...

  8. Physical activity level - Wikipedia

    en.wikipedia.org/wiki/Physical_activity_level

    The physical activity level (PAL) is a way to express a person's daily physical activity as a number and is used to estimate their total energy expenditure. [1] In combination with the basal metabolic rate, it can be used to compute the amount of food energy a person needs to consume to maintain a particular lifestyle.

  9. Basal metabolic rate - Wikipedia

    en.wikipedia.org/wiki/Basal_metabolic_rate

    Protein catabolism (breakdown) has been estimated to supply 10% to 15% of the total energy requirement during a two-hour aerobic training session. This process could severely degrade the protein structures needed to maintain survival such as contractile properties of proteins in the heart, cellular mitochondria, myoglobin storage, and metabolic ...