비만도 측정 지수 'BMI'의 무용성 The graphic that shows why BMI is useless: Scientists reveal how radically different body shapes can have the SAME readings(VIDEO)
The graphic that shows why BMI is useless: Scientists reveal how radically different body shapes can have the SAME readings
The graphic shows full-body scans of six people, all with a BMI of 25.4
Each body looks different because muscle and bone are denser than fat
In the graphic, for instance, some people carry more weight in their legs
Because BMI only considers height and weight, it overlooks these factors
비만도 측정 지수 'BMI'의 무용성
위의 그래픽들은 25.4 BMI를 나타내는 6명에 대한 스캔 상황이다.
근육과 골격 차이로 각 신체들은 다르게 보인다
같은 BMI임에도 불구하고 몇몇 사람은 더 많은 몸무게를 지탱하고
있다.
그 이유는 BMI가 단지 키와 몸무게에 의해서 측정되기 때문에 이런
사항들이 간과되고 있는 것이다.
밑에 보면 BMI를 측정해주는 프로그램이 있다.
한번 체크해보시기를...
by Ki Chul Hwang
Conpaper Editor Distributor
황기철 콘페이퍼 에디터
By ELLIE ZOLFAGHARIFARD FOR DAILYMAIL.COM
Most of us step on the scales to check how much we've indulged ourselves over the holidays.
Doctors, however, rely on the Body Mass Index (BMI), which involves dividing weight in kilograms by height in metres squared.
For centuries this has been the standard against how our health has been measured – but a new graphic has revealed just how inaccurate it can be.
You can calculate your own BMI using this visualiser:
New York-based firm, Body Labs, has created a graphic revealing scans of six people to show how the same BMI can look very different on different bodies.
Each of the volunteers was 5 feet 9 inches tall and 172lbs (78kg). All had the same body mass index of 25.4, meaning they could all technically be considered overweight.
According to official health guidelines, people with a BMI of over 25 are overweight and those with a BMI over 30 are considered obese.
But the same BMI can look different because muscle and bone are denser than fat. Some people in the image, for instance, carry more weight in their legs.
Because BMI only considers height and weight, it overlooks these factors.
‘Since BMI doesn’t take body mass composition or distribution into account, it is basically blind to fitness level and body shape,’ Body Labs wrote in a blog post.
‘You probably won’t be found to be obese when you’re actually underweight, but for people who are borderline, being misplaced is easy.
‘For example, you can be an athlete in great shape and be deemed overweight or even obese.
‘Or, you could have an average BMI but carry a significantly higher amount of mass in your torso, which as some studies show can be a predictor of health risks such as cardiovascular disease or diabetes.’
BMI places top class athletes, sprinters and rugby players, in the same weight and height grouping as people who do not exercise at all.
These illustrations were created from scans of real people by New York City based startup Body Labs. The number labeled V is the amount of fluid that would fill a container the same size as their body, in litres
A heatmap comparison of person 2 to person 1. The heatmap coloring represents the point-to-point distances between the same points on both of their bodies. Blue means their bodies were the same, and hot pink means they differed greatly. You can see their bodies varied most in their stomachs, backs and back of legs
For instance, even in his prime, rugby star Jonny Wilkinson was reportedly classed as overweight according to his BMI.
Many nutritionists now argue that body fat percentage and body composition are a better sign of health that the figure on the scales.
Using a piece of string to find out if you are in proportion might be a better way to see if you are fat than working out your Body Mass Index (BMI).
In May, a study suggested that people should check their health by taking a piece of string the same as length as their height.
The scientists at Oxford Brookes University said that by folding the string in half and then seeing if you can easily get it round your waist may be a better way to find out if you are an unhealthy size than BMI.
International studies have shown in the past that a person is at a lower risk from heart disease if their waist measurement is less than half their height.
| Name | Height (ft, in) | Weight (lb) | BMI |
|---|---|---|---|
| Usain Bolt | 6'5" | 207 | 24.5 |
| Kim Kardashian | 5'2" | 139 | 25.4 |
| Serena Williams | 5'9" | 150 | 22.1 |
| Tom Brady | 6'4" | 225 | 27.4 |
| Gisele Bundchen | 5'11" | 126 | 17.6 |
| Barack Obama | 6'1" | 180 | 23.7 |
According to BMI calculations quarterback Tom Brady is overweight, with a BMI of 27.4 and his model wife Gisele Bundchen, seen here at the 2014 Met Ball, is underweight with a BMI of 17.6
A reading of between 18.5 and 25 indicates healthy weight. From 25 to 30 is classed as overweight, and over 30 is obese. A reading below 18.5 means you're underweight. But scientists say BMI may not be as accurate an indication of health as you may think
The formula for BMI is weight in kilograms divided by height in meters squared. Because height is commonly measured in centimeters, divide height in centimeters by 100 to obtain height inches
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