Why BMI Is 'Not The Best Tool' For Determining Fitness

A personal trainer tells HuffPost Live how you should really use your body mass index.

The August 2015 issue of Women's Running magazine featured a plus-size model on its cover, defying standards for what "fit" looks like. Personal trainer Joe Holder joined HuffPost Live to discuss why one of the most common indicators of fitness levels -- body mass index -- might not be the best method for determining what it means to be healthy.

"You have to look at BMI not as a diagnostic but as a screening tool," Holder told host Alyona Minkovski. "So there's a lot of flaws there where people think automatically, 'Alright, if I have a BMI that puts me in an overweight or obese category, that automatically means I'm unhealthy.' No. You look at that to delve deeper into other health markers that will then give a better insight into, 'Alright, do I have have some extra cardiovascular risks? Do I have other issues that I should be looking into?'"

Watch Holder describe how to properly use your BMI in determining health in the video above, and click here for the full segment on stereotypes among the "fit" community.

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