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Articles Fitness Nutrition

Calculating Basal Metabolic Rate and Body Temperature

Body temperature and the BMR of every individual become directly related through basic bodily functions and exercise. Websites such as Fitday.com can be used to help calculate your own BMR, plus techniques to increase the calorie burning process.

The Basic Calculation

BMR, or basal metabolic rate, defines the body's ability to metabolize or burn calories during sedentary portions of the day, such as rest, sleep, work and related activities. In order to calculate the BMR, you must use your height, weight and age for use in a simple mathematical equation as follows.

  • Male Calculation: [Basal Metabolic Rate] = (Body Weight x 10) + (Height x 6.25) – (Age x 5) + 5
  • Female Calculation: [Basal Metabolic Rate] = (Body Weight x 10) + (Height x 6.25) – (Age x 5) – 161

Knowing an accurate BMR measurement allows people to better assess their need for exercise, proper diet and nutritional habits.

Relating Body Temperature to BMR

As body temperature increases, so does metabolism. Every muscle movement plus any exertion to muscle tissue in the body increases body temperature. When muscles work, they require energy in the form of calories in order to build, grow and repair. This process ultimately explains why exercise causes individuals to burn calories.

An increase in heart rate and the breaking down and repairing of muscle tissue, along with any other form of exercise, leads to a higher BMR temporarily, if not permanently. During the time period directly after exercise, the body maintains a steady metabolic rate, then slowly declines; by repeating this process over time, the BMR of an individual increases. In turn, more calories will be metabolized during sedentary time frames.

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