Body Mass Index Questions And Facts?

Body Mass Index Questions And Facts?

Body Mass Index Questions And Facts?

BMI or the body mass index helps to determine the amount of fat, which is present in the body. The total weight of the person in kilograms will have to be divided by the height of the person in meters and the resulting value will have to be squared in order to obtain the value of the BMI or the body mass index of the person. People belonging to the same age and gender might have a different BMI and this difference could be due to the amount of fat, which is present in the body.

When the body mass index (BMI) is estimated, the amount of fat present in the bodies of body builders, athletes and pregnant women is over calculated. But the amount of body fat which is present in the bodies of elderly people and people having physical shortcomings will be under calculated while the BMI is being computed. People who are highly obese and those who have easting disorders like anorexia nervosa should not take the computation of BMI into consideration as an indicator of their health since it is inaccurate in their scenario.

Calculation of BMI in children
If the value of body mass index (BMI) computed is between 20 and 25, then it is considered for the adult concerned. But the same value is not considered healthy in the case of children. As children keep growing, the quantity of fat, which is present in their body, will keep varying and along with this, the BMI will also keep fluctuating. The BMI of the child will usually increase when the child is attending playschool or kindergarten. Due to this, it is recommended to make use of the percentile charts which take the age and gender of the child into consideration while calculating the BMI of a child or an adolescent.

In 2005, a new chart, which will help in the calculation of BMI for children between the ages of 2-18 years, was introduced. They have been created by the US center for disease control. They help in deciding whether the children over the age of two years are overweight or obese. But they should only be used in the form of a guideline and it is always better to seek the advice of a doctor or a dietician.

Interpretation of BMI
People who have a BMI, which is below 20, will be considered as underweight and undernourished and they will be advised to put on some weight. A BMI, which lies within the range of 20-25, is considered healthy while people having a BMI over 26 can be either considered overweight or obese.

Shortcomings of BMI
The difference between body fat and muscles mass will not be taken into consideration during the computation of BMI. People who are involved in activities like bodybuilding will have larger muscles and hence their BMI will be computed as a much larger value. The BMI of people who have some kind of physical disability will be lower than normal since some of their muscles have got wasted. The benchmarks for BMI will have to different for people who are shorter.

Disadvantages of a high BMI
People who have a BMI, which is higher than 25 are overweight and they should be aware of the risks to their health. They should suffer from very high blood pressure as well as heart problems and many other health issues like diabetes, osteoarthritis as well as breast cancer and colon cancer.

Disadvantages of a low BMI
People having a BMI less than 20 will be termed as underweight or undernourished. They could develop digestive or respiratory problems, osteoporosis and also cancer. The general immunity of the body gets reduced and the risk of a fracture is also increased.


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