BMI (Body Mass Index)
What is BMI (Body Mass Index)?
BMI stands for body mass index the number is actually your weight over height squared. But it's a universal number to measure morbid obesity and obesity. Generally BMI (Body Mass Index) runs between nineteen twenty to twenty-five when you start getting into thirty-five to forty that's what we consider obese forty is morbidly obese 50 is super obesity.| BMI |
History of BMI (Body Mass Index)
The body mass index was introduced in the early 19th century. The guy who created the formula. I’m gonna take his name, Lambert Adolphe Jacques Quetelet wasn’t even a physician. Quetelet was a Belgian mathematician. And his reason for creating the formula was to study the “normal man”, not obesity. Its use shifted to study obesity because of Ancel Keys. In 1972, Keys used the formula in his "Indices of Relative Weight and Obesity” study, renamed the formula to body mass index, and from there the “new” measure caught on among researchers. Over the years, its use in the health professional field grew and it’s pretty much stuck around since. It's easy to use, cheap, fast, and it's right about 80% of the time. So even though BMI has stuck around for more than 200 years, it's not the be-all and end-all indicator.
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Is it necessary to measure BMI (Body Mass Index)?
Yes, it is necessary to measure your BMI as it gives you an idea of your body to your mass ratio, and tells you whether you are overweight or obese and also tell in which obese class you are.
BMI Calculator
How to Measure BMI (Body Mass Index)?
To measure BMI (Body Mass Index) you just need to calculate your height and weight and divide the weight by height square as shown in the figure.
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| BMI Calculator |
Check where do you stand in the BMI Chart.
Body Mass Index Chart
| Category | BMI range - kg/m2 |
| Severe Thinness | < 16 |
| Moderate Thinness | 16 - 17 |
| Mild Thinness | 17 - 18.5 |
| Normal | 18.5 - 25 |
| Overweight | 25 - 30 |
| Obese Class I | 30 - 35 |
| Obese Class II | 35 - 40 |
| Obese Class III | > 40 |
Is BMI (Body Mass Index) the only measuring meter?
The BMI (Body Mass Index) is actually not the only way to measure a person's risk for other disease states one of the other measurements is waist circumference generally we use it in the diabetes education world. We use it in the later Bariatrics or obesity world waist circumference for women of 35 inches or higher puts them again at greater risk for other complications glucose intolerance maybe not the diagnosis of diabetes but high blood pressure and coronary artery disease and men the waist circumference of 40 or greater is another indication that they are at higher risk really the only truly accurate way to test a person's body fat or thickness are underwater body weighing or hospitals using in major burn centers they use what's called a metabolic cart and it measures your output of carbon dioxide (co2) and your input of oxygen.
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