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  1. What is body mass index (BMI)? Body mass index (BMI) is a medical screening tool that measures the ratio of your height to your weight to estimate the amount of body fat you have. Healthcare providers calculate BMI by using weight in kilograms (kg) divided by the square of height in meters (m2).

  2. Aug 7, 2023 · Calculating your body mass index (BMI) involves using a simple formula with your weight (in pounds or kilograms) and height (in inches or meters). BMI is used to estimate your body fat and establish whether you are underweight, at your healthy weight, overweight , or have obesity .

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  4. Mar 11, 2010 · Human leg length (femur + tibia), sitting height (trunk length + head length) and their proportions, for example, (leg length/stature), or the sitting height ratio (sitting height/stature × 100), among others) are associated with epidemiological risk for overweight (fatness), coronary heart disease, diabetes, liver dysfunction and certain cancers.

  5. Feb 26, 2024 · Updated on February 26, 2024. Medically reviewed by Soma Mandal, MD. Print. Table of Contents. Measuring. By Sex. By Age. For Your Body. Body fat (BF) percentage refers to the ratio of fat ( adipose tissue) in the body in comparison to overall body weight.

    • Laura Dorwart
  6. Jan 18, 2018 · 1. INTRODUCTION. Body mass can be divided into two major components: body fat (energy stores) and lean mass (including muscle, organs, and bone), each of which has distinct biological significance and was likely subject to different selective pressures during human evolution.

    • Emma Pomeroy, Alison Anne Macintosh, Jonathan Ck Wells, Tim J Cole, Jay Theodore Stock, Jay Theodore...
    • 10.1002/ajpa.23398
    • 2018
    • Am J Phys Anthropol. 2018 May; 166(1): 56-69.
  7. Two athletes who weigh 250 pounds and have 15% body fat will move very differently if their upper to lower mass ratio is 1.7 (top-heavy) or 1.5 (bottom heavy). Second, there is no clear definition of what good or ideal body composition is for sport.

  8. Ratios compare two quantities, like the size of one part of the body to the size of another part, or to the size of the whole. An example of a human body ratio is a person’s arm span—the distance from the left hand’s middle fingertip to the right hand’s middle fingertip when stretching out both arms horizontally—to their height.

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