2008-09-26

Knowledge of weight loss: about BMI, the rate of fat, waist circumference and waist-hip ratio

This article will tell us about BMI, the rate of fat, such as knowledge, understanding of obesity is helpful

BMI is the body mass index is the ratio of height and weight assessment of the tools used. It is mainly from the health point of view to measure whether or not you are overweight, obesity and whether there is caused by chronic disease.

If you belong to the following conditions, then the BMI index does not apply to you

1. Under the age of 18.

2. Athletes.

3. Are doing weight training.

4. In pregnancy or breast-feeding.

5. Frail or sedentary elderly people.

1 BMI, the rate of fat, waist circumference and waist-hip ratio

In the understanding of the obesity problem, we first look at a number of important concepts: BMI, the rate of fat, waist circumference and waist-hip ratio.

1), BMI (Body mass index)

BMI is the body mass index is the ratio of height and weight assessment of the tools used. It is mainly from the health point of view to measure whether or not you are overweight, obesity and whether there is caused by chronic disease.

The formula for calculating the BMI for: BMI = weight / height 2 (the square of height) (weight: kg; height: meters).

For example, 1.65 meters tall and weighing 55 kilograms of women, her BMI = 55/1.652 = 20.2.

2), the rate of fat (Body fat ratio)

Refers to the rate of body fat composition, the percentage of fat tissue. From the medical point of view, the rate of fat is the fat of determine whether the scientific basis.

Fat rate is usually through a special measuring equipment currently used is the comparison with the rate of fat measurement function of the weight scale.

3), WHR (Waist-hip ratio)

As the name suggests, refers to the waist-hip ratio and waist-hip ratio. Whether because of the accumulation of fat in the internal organs or Yaofu are difficult to measure directly, so that waist circumference and waist-hip ratio as such has become indirectly reflect the best indicator of obesity. In other words, the bigger the waist-hip ratio, or Yaofu more visceral fat accumulation is possible.

4), waist circumference (Waist Circumference)

Waist circumference, waist refers to the length of the week. At present, it is accepted circumference measurement of the degree of accumulation of abdominal fat in the most simple and practical indicators. In body fat distribution, particularly in the accumulation of abdominal fat, and a lot of diseases caused by obesity.