To measure your waist place the tape measure right at the top of the hip bone and reach. Their recent study found this simple measure is better at predicting body fat percentage than bmi.
Table 1 From Relative Fat Mass Rfm As A New Estimator Of
Rfm measurement body fat. Based on data from 3456 adult patients in the us the rfm measurements closely matched those taken by a high tech dxa body scan widely considered the gold standard for measuring body tissue bone muscle and fat. In other words rfm was almost as good a gauge of body fat as a specialist bit of medical equipment and all it needs is a tape measure. The researchers compared the rfm with specialized high tech dexa scans which is considered a more precise way of measuring bone. Relative fat mass rfm. 64 20 heightwaist circumference 12 sex named as the relative fat mass rfm. To determine relative fat mass rfm you need to measure your height as well as your waist circumference.
Looking at the equations another way relative fat mass rfm in both metric and american measurements is. 76 20 x heightwaist circumference how to interpret relative fat mass results. Richard bergman call the new measure the relative fat mass index or rfm. If rfm corresponds to dxa. They arbitrarily defined obesity as dxa measured body fat percentage 339 for women and 228 for men. Not only is it far more accurate than the old bmi measurement its also a lot easier since it only uses your height and waist circumference measurements you dont even need a bathroom scale.
This fat mass index is considered a simple anthropometric procedure easier to estimate than other body fat percentage methods and more accurate than the body mass index bmi. From the 365 anthropometric indices generated the final selected equation was as follows. 64 20 x heightwaist circumference women. The relative fat mass rfm index estimates body fat percentage based on the ratio of height and waist measurements. Measure your height and waist in either meters and centimeters or feet and inches enter your sex and hit calculate for an estimate. A healthy rfm would be an rfm where youre not obese.
It plugs your height and your waist circumference into a formula and the resulting number is roughly equal to your body fat percentage. It uses w a ist to height ratio to estimate body fat percentage either measured by caliper or dxa scan. Rfm uses height and waist size to assess whole body fat levels. Body fat estimate calculator using waist to height ratio rfm advertising disclosures. On this page is a body fat estimate calculator. This new formula was developed by cedars sinai investigators and its known as relative fat mass index or rfm.
Woolcott and his co author dr.
Gallery of Rfm Measurement Body Fat
