A lot of health problems occur from excess weight. This diabetes, and cardiovascular disease. To understand that a person in danger, you need to find out whether he had obesity. Obesity - is excess fat. Most often to assess the excess fat is measured body mass index. This ratio of weight in kilograms by the square of height in meters. Usually it helps.
There are two controversial moments
Sometimes weight depends not only on oil but also on the muscles. The easiest way to submit a bodybuilder. He has a lot of muscles, beautiful terrain, and almost no fat. Body mass index in the bodybuilder will be high, but the risk of illness low. Discrepancy is obtained.
Or some old man with sarcopenia. Sarcopenia - is age-related loss of muscle mass. In this old man can be a normal body mass index, but is almost completely atrophied muscles. Understandably, his normal weight is represented by fat.
Apart from all these difficulties would be desirable to have not just found a man of excess fat, but also to decide how much fat is bad for health. Because our body is useful and harmful fat.
Harmful fat is usually located on the abdomen. This is called abdominal (abdominal) obesity. This obesity leads to serious diseases.
And now for the assessment of fat on my stomach began to use a simple index waist / hip.
That is divided on the volume of the stomach hips. The higher the index, the more belly fat.
It remains only to measure correctly. But it is not always easy. The World Health Organization in 2008 published a special rule.
It seems that it is all far-fetched. But when tested volumes in repeated measurements, even in the same manner was measured with a difference of 12 - 15 mm. Therefore it is better to stick to the rules.
rules
Measuring stomach need netyanuscheysya centimeter tape midway between the lower ones, which can be felt, and the upper edge of the ilium point.
The ring of tape around the abdomen should be parallel to the plane of the floor.
The smaller the measured person is on the clothes, the better.
Tension
The stomach can not pull the tape. In fact, you need to pull with a force of 100 grams. The idea for this on the tape should be a special indicator buckle.
Pose
Man must stand directly on the floor. Hands should be along the body. The feet must stand together. Body weight should be distributed evenly between the feet.
Breath
If inspiratory belly stick out, then its volume is clearly greater. Therefore measured at the end of normal exhalation.
abdominal strain
Anyone can strain muscles and tighten the abdomen. Or, you can dissolve the belly, and he dumped down. And then, and another is wrong.
It should be quiet and stand straight. You need to relax and several times calmly breathe in and out. Then the stomach will not be much tightened and strong to be dismissed. Only after that can be measured.
intestinal contents
The abdomen can be inflated gases filled with food or liquid. All this hurts.
There is an opinion that must be measured in the morning on an empty stomach. But this point is not strictly regulated.
hips
Hip measure around the widest part of the buttocks.
How many attempts to do
Each volume must be measured twice. If the difference of the same volume within 1 centimeter, it is necessary to calculate the average between these measurements.
If the difference between the two measurements is greater than 1 cm, it is necessary to forget the first series of measurements and then re-measure the volume twice.
How to evaluate the results
For men, waist / hip index should be less than 0.90.
For women, a waist / hip index should be less than 0.85.
All the above is considered obese.
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