There are many factors that affect the height and weight standards for boys, such as genetic inheritance, nutritional composition, sports competition, natural environment, lifestyle, race, endocrine system, early, mid and late estrus, inbreeding, and medical development. Weight standard (male) = [height (cm)-100] x 0.9 (kg), weight standard (female) = [height (cm)-100] x 0.9 (kg)-2.5 (kg). If the weight is within ±10% of the standard weight, it is considered normal weight. For example, if a man's standard weight is 60kg, then his actual weight is within the range of 54-66kg. According to the national standard, if the BMI index is within the range of 18.5-24.9, it is considered normal. The standard value in Asia is 18.5-22.9, and the standard value in my country is 18.5-23.9, which is the most applicable. Frequently Asked Questions: 1. For adults, use a body length meter for accurate measurement. The examiner stands on the body length meter tablet in an upright position, with the back of the head, buttocks, and heels close to the ruler, the head can be straight, the eyes look straight, and the body length meter level is close to the head. The enterprise records in mm. 2. During the whole process, pay attention to check (and promptly correct the upright pole in all aspects) whether it is vertical and swaying, whether the parts are loose, etc. At this stage, electric automatic length and weight measuring meters are basically used. 3. For accurate measurement, the person being measured should be barefoot, stand at attention, and stand on the base of the height meter. 4. The heels, sacrum and space between the shoulder blades are in contact with the support, the body is naturally straight, the head is upright but not relying on support, and the eyes are looking straight ahead to maintain the upper edge of the tragus (ear lobe) and the outer edge of the eye socket at the same level. Height is affected by the genetic factors of parents, and is also related to acquired exercise and nutritional status. However, with the improvement of living standards, children are generally taller than their parents. The height of children aged 2 to 12 should be 75 plus age multiplied by 5, and the number obtained is the height in centimeters. The standard weight of children under 10 years old should be the number of kilograms obtained by multiplying age by 27, which is the standard value of weight. There will be some differences in height and weight among adults, but the range of weight standards is the same. The key for adults is to look at the body mass index. The body mass index is calculated by dividing the weight by the square meter of the height. The individual's standard value is the body mass index. The normal body mass index is between 18.5 and 23.5. If it exceeds 23.5, it is considered overweight, and if it exceeds 28.0, it is considered obese. If it is less than 18.5, it is considered thin. You can try to calculate it by dividing your weight by the square meter of your height to see if it reaches the standard range. |
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