Basal Metabolic Measurement


Hoping that a quick crash diet will shed those unwarranted pounds fast?

While your weight may begin to diminish, so will your metabolic rate and most likely your lean body mass — which can be unwholesome.

Your body needs proper nutrients and without the daily requirement of protein, you will break down your lean muscle mass. To lose weight properly, you first need to know how many calories your body requires at rest.

What is Basal Metabolic Measurement

Basal metabolic rate (BMR) is the amount of energy expended while at rest in a neutrally temperate environment.

The release of this compulsory energy is sufficient for the functioning of the vital organs, such as the heart, lungs, brain and the rest of the nervous system — liver, kidneys, sex organs, muscles and skin.

Checking Your Basal Metabolic Rate

For a truly accurate measurement, your BMR should be completed at with trained personnel who can correctly measure your body’s oxygen intake and carbon dioxide output.

BMR measurements are typically measured in a dark room; in a reclining position upon waking after 8 hours of sleep; or 12 hours of fasting to ensure that the digestive system is inactive.

The Harris-Benedict equation for BMR:

For men: (13.75 x weight in kg) + (5 x height in cm) - (6.76 x age) + 66 = BMR
For women: (9.56 x weight in kg) + (1.85 x height in cm) - (4.68 x age) + 655 = BMR

What Variables Affect Basal Metabolic Rate

Genetics: Some individuals are born with faster metabolisms, while others naturally have slower metabolisms.

Gender: Men typically have a greater muscle mass and a lower body-fat percentage than women, which means they generally have a higher basal metabolic rate.

Age: BMR increases with age. After age 20, your BMR is estimated to drop nearly 2 percent to 3 percent each decade.

Weight: The greater an individual weighs, the higher the BMR.

Height: Typically, taller individuals have greater body surface area and more lean body mass (LBM).

Body-fat Percentage: Individuals with a higher body-fat percentage have a lower BMR than those with a lower-body fat percentage.

Diet: Undernourishment or severe calorie reduction can radically reduce an individual’s BMR by up to 30 percent.

Exercise: Physical exercise can not only influences body weight by burning calories, it can also increase your BMR by building extra muscle

Frequently Asked Questions

How long does the test take?

The Basal metabolic rate (BMR) test takes approximately 10 minutes.

What do I need to do during the test?

During the test you will be in a reclined position and be directed to breathe through a disposable mouth piece and tube connected to a device.
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