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What is the Body Mass Index?

The Body Mass Index , or in summary, the BMI, is an Index determined by the height and weight of someone who actually estimates human body fat . Although the Body Mass Index is a crucial system that can indicate whether or not an individual's weight falls into a healthy spectrum, the Body Mass Index cannot determine the proportion of body fat. BMI has become a fairly easy tool for physicians to communicate obesity and underweight concerns with several patients. BMI has existed since the 19th century, but became quite popular during the 1970s.

Body Mass Index Values

The higher your own BMI score, the more excess fat you will have. If your BMI is less than 20, you may be considered underweight. With respect to BMI values between 20 and 25, your weight may be the best for your own height. People who have a BMI greater than twenty-five can be considered overweight and a BMI score greater than thirty-five shows that one can have an unhealthy weight. A BMI value of more than forty suggests that someone is morbidly obese..

Can you trust the Body Mass Index scores?

The BMI is a simple mathematical value that is used to categorize underweight, overweight and also obesity in adults. BMI applies to both men and women. For children and older adults, BMI can be misleading. This is because the proportion of your muscle areas and bones and your own height is evolving. Several medical researchers emphasize that the overall health of older people may be more significant than being a little overweight.

In addition, people with more than normal muscle mass (such as weight lifters) may not find the correct BMI rating. This is because the BMI cannot tell the difference between muscle mass and body fat. It shows that the Body Mass Index should be used as a general guide (which may surely have omissions) and cannot be seen as a health condition discipline.

Once you know your BMI score, it may be a good idea to talk to your doctor or a health professional. Calculating your BMI should not be used as an alternative to the medical advice you can get from these particular professionals.

How to calculate BMI

The Body Mass Index or BMI is a number that represents the fat content in a human body based on the height and weight of any individual and is applicable to both men and women.

A simple formula that can be used to derive the Body Mass Index is to divide a person's weight in kilograms and divide it by their height in square meters.

Underweight people generally have a BMI below 18.5, while a normal BMI is between 18.5 and 24.9, while overweight people have a BMI between 25 and 29.9, and the BMI of an obese person is greater than 30.

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The Body Mass Index (BMI) is an indicator of the fat content in an individual's body and can mean the risks of illness and death that a person faces. It would be helpful if one closely monitored this number to be aware of the health risks they face.

There are some defects with the BMI system. For example, it overestimates body fat in athletes and bodybuilders because of its muscular structure and may underestimate body fat content in older people or others who, for some reason, have lost body mass. Other risk factors associated with the calculated BMI may be hypertension, high cholesterol, and high sugar.

BMI measures one's weight in relation to height, as noted above, while waist circumference measures abdominal fat. Combining these with information about the additional risk factors for that particular individual generates the risk of developing diseases associated with obesity.

Body Mass Index History

Lambert Adolphe Jacques Quatelet (1796-1874) is a famous Belgian mathematician, astronomer, statistician and sociologist, famous for his statistical skill and his widely used "Quatelet Index" or Body Mass Index.

He graduated from the University of Ghent with a doctorate in mathematics and then set out to study the new field of "social sciences" that only included Astronomy at that time.

Around 1830, Quatelet emerged as a firm believer in the influence of statistics and probability on everyday human affairs. He found that it was possible to collect information about the regular daily life of any cross-sectional section of the population using the same statistical techniques in which he was so versed.

The Body Mass Index (BMI) is the relationship between an individual's height and weight, which correlates directly with the body fat contained in the body and explains the degree of health risk the person has. It is measured as BMI = body weight in kilograms divided by height in square meters.

Body Mass Index is a fairly useful statistic and has been used for years throughout the world. It determines the degree of wholesomeness one enjoys. The BMI evaluates your weight in relation to your height. A healthy BMI for an adult generally falls between 18.5 and 25. If the BMI is more than 25, individuals are probably classified as overweight, and if it is 30 or more, one is considered obese and 40 or more are extremely obese.

Female body mass index

>Female body mass index

The Body Mass Index is a creation of a Belgian statistic and mathematician called Adolphe Quatelet, and developed between 1830 and 1850.

A person's Body Mass Index (BMI) is the relationship between height and weight, which correlates directly with the body fat contained in the body and explains the degree of health risk associated with the person. It is measured as BMI = Body weight in kilograms / height in square meters.

BMI values for women appear to be falling on the initial spectrum of the Normal Body Mass Index for adults, which should be between 20 and 22. While desirable body mass is approximately 21-23, obesity, which is at least 20% above the desirable range, can be assumed to begin at 27.5 and extreme obesity can be marked at 31.5 for women.

For women, their weight/height ratio may play an important role in trying to assess their health characteristics. Dividing waist size by height derives the weight-to-height ratio. If you wonder what some apparently perfect weight-to-height relationships might look like, a Barbie doll has a WHR of 25%, while some college swimmers may have a WHR of 42.4%.

Being healthy is a major concern, and American women today are constantly struggling with obesity. Along with the rising costs of medical care and medicine, the harmful effects of obesity inevitably lead to complications that would otherwise be preventable.

Male body-mass index

The Body Mass Index (BMI) is the relationship between an individual's height and weight, which correlates directly with the body fat contained in the body and explains the degree of health risk associated with the person. It is measured as BMI = Body weight in kilograms / height in square meters.

The male population has special consequences with respect to the Body Mass Index with respect to the ramifications of different possible relationships with different height and weight characteristics of men. Characteristically, they are very different from those of the female population.

A study by the department of medicine at Johns Hopkins University School of Medicine and the School of Hygiene and Public Health goes one step further to show that obesity in middle age is associated with an increased risk of osteoarthritis of the knees.

During the years 20-29, it has been found that a higher body mass index has a direct relationship with osteoarthritis of the knee. This also suggests that cumulative exposure to an increasing BMI during the years of growth in a man leads to complications in old age.

For men, the desirable body mass is said to be around 22-24, while obesity is marked at 28.5. Extreme obesity is marked at 33.

Men have different height and weight characteristics and, therefore, different ramifications in general related to different resulting BMIs. While it may not be the only dictator with respect to health counseling, it is certainly a definitive guide when it comes to a man's health.

Teen body mass index

The Adolescent Body Mass Index (BMI) is the relationship between the height and weight of the adolescent or child, which correlates directly with the body fat contained in the body and explains the degree of health risk associated with a person's health. It is measured as BMI = body weight in kilograms divided by height in square meters.

In the case of children and adolescents, BMI, also called BMI for age, may not always be consistent. Because it is based on the height and weight of the child or adolescent, and they grow continuously, their amount of body fat also changes continuously as they mature. In addition, teenage boys grow at a different rate than teenage girls. That's why BMI tends to be age- and gender-specific and not always reliable for children and teens.

Guidelines for body types for children and adolescents are usually made with respect to an important statistic called the BMI percentile. This statistic compares the person's BMI with thousands of others under the same reference sample, in order to allow a comparative study of that person's health with respect to the rest of the population within the permitted restrictions. People are considered underweight if they are in the lowest 5% of the people studied and overweight if they are in the top 5%. People are considered to be in the normal weight range if they are in the middle 90%.

BMI for age is a useful tool because it can be used for adolescents and children even beyond puberty. It compares well with laboratory results of body fat and can be used to keep track of body size throughout the life of the child or adolescent.

Understand your BMI

The Body Mass Index (BMI) is a widely used indicator for health and fitness. A person's BMI is calculated by dividing a person's weight (measured in kilograms) by their height (measured in meters) squared. Mathematically, the BMI looks like this: BMI = weight (kg) / height (m) ^ 2. That formula uses the internationally accepted metric system. If you want to find your BMI using the U.S. standard pounds and inches, you would use this formula: BMI = weight (pounds) / height (inches) ^ 2 x 703. You can see that in the formula that uses pounds and inches for units of measure, you multiply by 703 the result of dividing your weight by the square of your height.

So what's the point of calculating what may seem like a random number and calling it your Body Mass Index? Health experts have created a table that makes a general classification that correlates your height with your weight. Using the BMI calculation figure, you can determine whether, according to the inventors of the corresponding weight status table, you are underweight, normal, overweight, or obese. This is how the table segments those weight states by their BMI.

Body Mass Index Chart

BMI - Weight status

• Less than 18.5 - Underweight
• 5 - 24.9 - Normal
• 0 - 29.9 - Overweight
• 0 and above - Obese

The main problem with this simplified classification system involves the measurement of BMI in athletes. For example, if you went to your local gym and performed BMI calculations, you will find many types that definitely don't seem to be overweight, but whose body mass index would fall somewhere above 25.0. Are these people really overweight? You're likely to find NFL runners who have a body fat percentage of less than 12% that would be classified as overweight by this standard.

I consider myself athletic. I'm 5'9" and I weigh 188 pounds. My BMI is 27.8. That leaves me in the overweight group. The last time I tried my body fat percentage was 15.5%. Although I admit I was able to throw a few pounds to be in excellent condition, I wouldn't say I'm overweight.

The concept of the Body Mass Index was invented in the 19th century and researchers have since used it to study populations. By studying BMI calculations in large quantities, a general picture of increases, decreases, or simply the current status of the population in relation to fatness can be obtained. Athletes and other people who develop lean muscle are atropic values in these larger studies. They need their self-esteem to be affected because they fall into an above-average category of fat.

To get a better idea of how fat or fit you are, there are other indicators you can use. Getting an accurate reading of body fat with a caliper or an electronic body fat calculator device provides a much clearer understanding of your position when it comes to your health.