Obesity

What does BMI Actually Mean?

BMI is known as
BMI is known as

According to CDC (Centers for Disease Control and Prevention), BMI is a figure calculated using a person’s height and weight to determine the weight grade of a person. It will not give direct body fat measure, however gives a general body fat measure on the average.

How is BMI Calculated?
How is BMI Calculated?

BMI formula usually presumes that people of a particular height should drop within a particular weight range. The formula is [weight in kgs / Height in m] (squared) = BMI.

Defines and Screens
Defines and Screens

BMI define the weight status and accordingly certain parameters are set by CDC.

  • Obese – BMI 30 and above
  • Overweight – BMI 25 – 29.9
  • Normal weight – BMI 18.5 – 24.9
  • Underweight – BMI below 18.5
Why is BMI used?
Why is BMI used?

BMI is relatively used because it is cheap and simple calculation. It needs only a person’s height and weight. This is the reason CDC and similar groups use BMI in surveys and studies as it is difficult to determine large sample sizes like that of an entire country which will be time consuming and expensive.

BMI doesn’t include
BMI doesn’t include

BMI takes only a person’s weight and height into consideration. It will not include other factors like gender, age and composition of the body.

BMI and Athletes
BMI and Athletes

Many athletes are determines to be obese or overweight because of the muscle mass. Muscle weight is more than fat, so an athlete’s weight is usually more than the average person of same height. This shows that an athlete will be having higher BMI, though healthier in rest all measures.

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