BMR Full Form | Full Form of BMR

BMR Full Form - Basal Metabolic Rate

 Basal Metabolic Rate

Basal Metabolic Rate

  • BMR stands for Basal metabolic rate. It's the measurement of energy expenditure of a person during physical, emotional and digestive rest over a 24-hour period.
  • In other words, it's the amount of energy (calories) required by your body to take care of life or vital functions while you're resting at a comfortable temperature and not eating or digesting any food.
  • BMR gives you an estimate of calories that you simply burn once you at complete rest for around 24 hours. The metabolic rate is usually less than BMR during sleep.
 BMR in Humans

BMR in Humans

How to Calculate BMR in Humans

  • In 1919, James Arthur Harris and Francis Gano Benedict introduced an equation/formula to calculate BMR of an individual. This equation is understood as Harris-Benedict equation. Later, in 1984, this equation was revised to be more accurate. In 1990, a new equation was introduced: the Miffin-St. Jeor equation. It's still in use, this equation states:
  • P= (10.0 x m/1 kg) + (6.25 x h/1cm) - (5.00 x a/1 year) + s
    • P= total heat production while at rest (BMR)
    • M= weight of a person in kilograms
    • H= height of a person in centimeters
    • A= age of a person in years
    • S= constant (+5 for males and -161 for females)

For Example : Let us calculate BMR of a 35 year old male who is 180 cm tall and weighs around 90 kg.

On applying Formula

  • P= (10.0 x 90) + (6.25 x 180 cm) - (5.00 x 35) + 5
    = 900 + 1125 - 175 + 5
    = 2025 - 180
    = 1845

So, this person burns 1845 calories while he is resting for 24 hours.

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