BMI
Body mass is calculated by weight and height to determine whether there is weight loss, weight gain, or even weight gain, and can be calculated in inches and pounds (in the United States), or in meters and kilograms (in countries using Metric system), BMI is calculated as follows:
According to the inch system
To measure the appropriate length of weight in inches, the formula would look like this:
(Weight in pounds / height in inches x height in inches) 703 x, for example a person weighing 180 lbs, and 8 inches long, the BMI is 27.4; it is calculated as follows: 180 (68 inches x 68 inches) x 703 = 27.4
According to the meter system
To measure the appropriate length of weight in meters, the formula would look like this:
Weight in kg / cm in meters x height in meters, for example: a person weighing 99.79 kg and a length of 1.905 cm, his body mass index is 27.5, which is calculated as follows: 99.79 / 1.905 × 1.905 = 27.5
Body mass index
Body mass results indicate several health and weight indicators:
- Increase in weight: When the BMI is between 25 – 29.9.
- Weight loss: When the body mass index is less than 18.5.
- Healthy weight: When the body mass index is between 18.5 – 24.9.
- Obesity: When the BMI is 30 or higher.
Limitations on BMI
- Muscle : Although BMI can be useful when evaluating a lot of people, it can be inaccurate for others. For example, the weight of athletes increases their length due to their large muscles. The muscles have a dense but chunky, Therefore, a person who possesses muscle is not at risk of disease simply because of increased BMI due to his muscles.
- Body fat: BMI can misrepresent people as healthy on a weight-for-height basis when there is too much body fat. This body fat detoxification usually occurs in older people who have lost their muscle mass and who are sitting. The body is more than 20 percent in men, or 30 percent in women, they may be exposed to poor health conditions, which usually occur with people who are clearly overweight.
- Weight distribution on the body: The BMI does not take into account how a person’s weight is distributed. The ratio of height to weight can be recorded as normal, but fat is centered around the abdomen.
- Big Waist: Some men have a large waist; for men, they have a waistline of more than one centimeter with a wide waist, and women with a wide waist have a waist measuring more than ninety-nine centimeters. They have an excessive amount of fat around the abdomen, On the area around the internal organs, and considered these fats are dangerous they may lead to many chronic diseases of the owner.