subject: Do You Know How Your Body Mass Index (BMI) Controls Weight Loss? by:Dr. Steven Vaughn [print this page] Do You Know How Your Body Mass Index (BMI) Controls Weight Loss?
Ask Dr. Steve-
Dr. Steve, A friend of mine told me that they had their BMI measured by their doctor to see how much body fat they had. What is BMI?
Robert S. Bakersfield, CA
Robert,
Body Mass Index (BMI) is a number calculated from a person's weight and height. BMI is a reliable indicator of body fatness for people. BMI does not measure body fat directly, but research has shown that BMI correlates to direct measures of body fat, such a underwater weighing and dual energy x-ray absorpitiometry (DXA).
BMI can be considered an alternative for direct measures of body fat. Additionally, BMI is an inexpensive and easy-to-perform method of screening for weight categories that may lead to health problems.
How is BMI used in Weight Loss?
BMI is used as a screening tool to identify possible weight problems for adults. However, BMI is not a diagnostic tool. For example, a person may have a high BMI.
However, to determine if excess weight is a health risk, a healthcare provider would need to perform further assessments. These assessments might include skinfold thickness measurements, evaluations of diet, physical activity, family history, and other appropriate health screenings.
Why do Healthcare Professionals use BMI to measure overweight and obesity?
Calculating BMI is one of the best methods for population assessment of overweight and obesity. Because calculation requires only height and weight, it is inexpensive and easy to use for clinicians and for the general public. The use of BMI allows people to compare their own weight status to that of the general population
Pounds and inches Formula: weight (lb) / [height (in)]2 x 703
Calculate BMI by dividing weight in pounds (lbs) by height in inches (in) squared and multiplying by a conversion factor of 703.
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DISCLAIMER: The author of this material shall have neither liability nor responsibility to any person or entity with respect to any loss, damage or injury caused or alleged to be caused directly or indirectly by the information contained in this manuscript. The information presented herein is not intended to be a substitute for medical counseling and is for informational purposes only.
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