Body Composition: BMI, Metabolic Rate & Fat Metabolism

Body composition analysis relies on BMI calculation, understanding BMR/RMR standards, and identifying the biochemistry behind fat metabolism and lipolysis.

Woman running on beach

BMI Exercises

Your body mass index, or BMI, is a measure of your body fat levels based on your height and weight. The National Heart Lung and Blood Institute recommends that adults have a BMI of approximately 18.5 to 24.9. There are certain types of exercises that can help you achieve a healthy BMI.

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Woman Measuring Body Fat

Muscle Gain & Weight Loss

The connection between muscle gain and weight loss is probably one of the most misunderstood aspects of health and fitness. Adding muscle to your body helps you to lower your body fat percentage in a variety of ways; however, these effects are often indirect and can be confusing.

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Standing on weight scale

BMI Measuring Instruments

The Body Mass Index is a simple tool that estimates body fatness using a mathematical formula. The only instruments necessary to measure your BMI are a scale, a tape measure -- to determine your height -- and a calculator. If you're unsure exactly how to estimate your BMI, talk to your doctor.

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Twin blowing bubbles at brother in park

Average Height and Weight of Three-Year-Olds

To determine whether a child is growing at a healthy pace in both height and weight, many pediatricians and child care providers consult widely available growth charts for comparison with other children. These charts reveal a range of normal heights and weights for both boys and girls.

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Body mass index BMI

What Are the Benefits of a Low BMI?

Body mass index, also called BMI, is a calculation of a correlation between a personโ€™s height and weight that categorizes him or her as underweight, of normal weight, overweight or obese, assuming a normal body composition. Underweight is considered a BMI of 18.4 or lower.

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