Body Mass Index

The body mass index is a formula to assess a person’s body weight relative to height. It’s a useful, indirect measure of body composition, because it correlates highly with body fat in most people. The BMI happens to be the most commonly used measurement in epidemiological studies and for middle-aged men and women, it correlates over 90% with fat mass densitometry. The BMI is also called the Quetelet index and while it does not distinguish fat mass from lean or muscle mass, it is a very useful approximation to what one should weigh depending on height.

Some well-trained people with dense muscle mass may have a high BMI score but very little body fat. For them the waist circumference, the skinfold or fatfold measurements, or more direct methods of measuring body fat may be more useful measures.

Know Your Weight

Know Your Weight

Know Your Weight and Body Fat Percentage Ordinary bathroom scales measure only one thing – weight. They can’t distinguish between ...
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Step on it

Step On It

A Step Toward A Healthier Life Step On It is a program based on information about what works in weight ...
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Body Mass Index BMI

Body Mass Index

Body Mass Index - Defined and Charted In addition to knowing our weight and height, it is important to understand ...
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Body Composition

Body Composition

The Study of Body Composition Scientists have been studying body composition since the beginning of the 20th century, but research ...
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Bioelectrical

Bioelectrical Impedance Analysis Body Impedance Analysis, Bioelectrical Impedance Analysis, or BIA, is considered one of the most exact and accessible ...
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Weight Scale

Body Fat Measuring

Know where you stand The average person grows up thinking about their weight, without taking into account their body fat ...
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Skin Fold Caliper

Body Fat Analyzing

Comparing Methods for Measuring Body Fat Most people now understand that to have a healthier body means to have a ...
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