Classification of obesity

Body volume indexbody mass indexBVImorbid obesitymorbidly obesenormal weight
Obesity classification is a ranking of obesity, the medical condition in which excess body fat has accumulated to the extent that it has an adverse effect on health.wikipedia
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Adipose tissue

adiposebody fatfat
Obesity classification is a ranking of obesity, the medical condition in which excess body fat has accumulated to the extent that it has an adverse effect on health.
New developments such as the Body Volume Index (BVI) are specifically designed to measure abdominal volume and abdominal fat.

Body mass index

BMIbody mass index (BMI)body-mass index
The World Health Organization (WHO) classifies obesity by body mass index (BMI). Relative weight and body mass index (BMI) are nearly identical and are reasonable estimates of body fatness as measured by percentage body fat.
For example, the BMI of bodybuilder and eight-time Mr. Olympia Ronnie Coleman was 41.8 at his peak physical condition, which would be considered morbidly obese.

Abdominal obesity

central obesitybeer bellypot belly
These measure a common form of obesity known as abdominal or central obesity, characterized by excess deposits of fat in the abdominal region and inside peritoneal cavity.
Recent validation has concluded that total and regional body volume estimates correlate positively and significantly with biomarkers of cardiovascular risk and BVI calculations correlate significantly with all biomarkers of cardio-vascular risk.

Anthropometry

anthropometricanthropometricsBertillonage
Body mass index or BMI is a simple and widely used method for estimating body fat mass. BMI was developed in the 19th century by the Belgian statistician and anthropometrist Adolphe Quetelet.
The aim is to establish whether the Body Volume Index has the potential to be used as a long-term computer-based anthropometric measurement for health care.

Body fat percentage

body fatfat masspercentage body fat
Relative weight and body mass index (BMI) are nearly identical and are reasonable estimates of body fatness as measured by percentage body fat.

Obesity

obesemorbidly obeseoverweight
Obesity classification is a ranking of obesity, the medical condition in which excess body fat has accumulated to the extent that it has an adverse effect on health.

Disease

morbidityillnessdiseases
Obesity classification is a ranking of obesity, the medical condition in which excess body fat has accumulated to the extent that it has an adverse effect on health.

World Health Organization

WHOWorld Health OrganisationWorld Health Organization (WHO)
The World Health Organization (WHO) classifies obesity by body mass index (BMI).

Normal weight obesity

Normal weight obesity is a condition of having normal body weight, but high body fat percentages with the same health risks of obesity.

Diabetes

diabetes mellitusdiabeticdiabetics
BMI can be used to predict the risk of metabolic abnormalities like diabetes.

Belgium

BelgianBELKingdom of Belgium
Body mass index or BMI is a simple and widely used method for estimating body fat mass. BMI was developed in the 19th century by the Belgian statistician and anthropometrist Adolphe Quetelet.

Adolphe Quetelet

QueteletLambert Adolphe Jacques QueteletQuetelet, Adolphe
Body mass index or BMI is a simple and widely used method for estimating body fat mass. BMI was developed in the 19th century by the Belgian statistician and anthropometrist Adolphe Quetelet.

Bodybuilding

bodybuilderbodybuildersbody builder
However it is less accurate in people such as body builders and pregnant women.

Pregnancy

pregnantfirst trimesterpregnant women
However it is less accurate in people such as body builders and pregnant women.

Metric system

metricmetric unitsmetric unit
BMI is calculated by dividing the subject's mass by the square of his or her height, typically expressed either in metric or US "Customary" units:

United States customary units

USUS customary unitsU.S. customary units
BMI is calculated by dividing the subject's mass by the square of his or her height, typically expressed either in metric or US "Customary" units:

China

People's Republic of ChinaChineseCHN
The Japanese have defined obesity as any BMI greater than 25 while China uses a BMI of greater than 28.

Muscle

musclesmuscularmusculature
However, it ignores variations between individuals in amounts of lean body mass, particularly muscle mass. Individuals involved in heavy physical labor or sports may have high BMI values despite having little fat.

National Football League

NFLleagueAmerican Professional Football Association
For example, more than half of all NFL players are classified as "obese" (BMI ≥ 30), and 1 in 4 are classified as "extremely obese" (BMI ≥ 35), according to the BMI metric.

Waist

waist circumferenceabdominal girth
Other proposed but less common obesity measures include waist circumference and waist–hip ratio.

Peritoneal cavity

peritonealperitoneal cavities
These measure a common form of obesity known as abdominal or central obesity, characterized by excess deposits of fat in the abdominal region and inside peritoneal cavity.

Waist–hip ratio

waist-hip ratiowaist-to-hip ratiowaist to hip ratio
Other proposed but less common obesity measures include waist circumference and waist–hip ratio. BMI is further evaluated in terms of fat distribution via the waist–hip ratio and total cardiovascular risk factors.

Cardiovascular disease

heart diseasecardiac diseasecardiovascular
Intra-abdominal or visceral fat has a particularly strong correlation with cardiovascular disease.

Metabolic syndrome

syndrome XMetabolic syndrome XCardio metabolic risk
In a study of 15,000 people, waist circumference also correlated better with metabolic syndrome than BMI.

Hydrostatic weighing

hydrodensitometryBerman balance
Hydrostatic weighing, one of the most accurate methods of body fat calculation, involves weighing a person underwater.