What is the body mass index?

1. What is the body mass index?

Body mass index (BMI) is a widely used international standard to measure obesity and health status. For example, we often say that a person should lose weight. What are our standards? At this time, we can judge what stage this person is in by measuring this person's bmi index. Should I lose weight? Not just how we feel. Moreover, the measurement of body mass index is very easy to operate, and it is simple and practical only by measuring height and weight.

2. How to measure the body mass index?

Body mass index (BMI) = weight (kg) ÷ height 2 (m). Take myself as an example: my current weight is 57.7kg and my height is 1.73 m, so my body mass index = 57.7/(1.73 *1.73) =19.28. When the body mass index is 18.5 ~ 23.9, it is normal.

3. How to measure your physical condition?

When we know our weight and height and calculate our body mass index, how do we know what stage our body is in? When our body mass index index is less than 18.5, we are on the thin side, and we need to gain weight to make it rise to the normal level; When our body mass index is between 18.5-23.9, our body is at a normal level, as long as we keep the current state; When the body mass index exceeds 24, it is already at the overweight level. At this time, what we need to do is to control diet, increase exercise and keep the body mass index at a normal level. If the body mass index is higher than 28, the weight has exceeded the warning line. At this time, it is necessary to strictly control the intake of calories.

The ideal body mass index is 22.

4.4 defects. Body mass index is not suitable for people.

Although the body mass index is simple and easy to measure, it also has some disadvantages: the body mass index does not take into account the proportion of fat, and a person with high muscle ratio may be overweight.

Who is not suitable for body mass index? Such as: 1. /kloc-under 0/8 years old; 2. athletes; 3. People who are doing weight training; 4. Pregnancy or breastfeeding; 5. frail or sedentary elderly people.