The weight of the body depends on the age, sex, and the nature and extent of the workload, nutrition, etc. Average body weight of a healthy adult males are usually higher than women. For the evaluation of "normal" weight is often used anthropometric index Brock, according to which "normal" weight in kilograms is equal to the number of centimeters of height minus 100 (a growth of up to 165 cm), 105 (a growth 165-175 cm) or 110 (a growth of more than 175 cm). Weighing produce medical scales standing, weak patients - sitting on a chair or lying down (on specially adapted scales). Weigh in underwear (followed by subtracting the average weight of clothes) erh, after emptying the bladder and intestines. Before weighing need to check the balance of weights without cargo.

To weigh patients are recommended at least once a week; data on body weight recorded in history. The dynamic monitoring of body weight helps in diagnosing the disease, in the assessment of its current under the influence of treatment.

Cm. also Anthropometry.

The body weight of children is of great importance for judgments about the physical development of the child. The average weight of a newborn 3500 g for boys and 3400 g for girls. In the first 2-3 days is "physiological" weight loss that does not exceed 8-10% of the original birth weight. By the end of the 1st, no later than 2 weeks the weight of the child reaches the original. The growing weight depends on age: the younger the child, the more he added weight. Initial weight on average doubled to 4.5-5 months. The average profit weight after the first year of life before the period of puberty is about 2 kg per year (table. 2).

Weighing infants in the hospital should be performed daily during the first morning the toilet (one-feeding), children's consultation once a month. To scale were more precise and smooth, their installed on a fixed table in strictly horizontal position. Before weighing a Cup of scales wipe alcohol and cover fresh diaper, that is changed after each child. Sister must weigh the child slowly, correctly burn it clean weight in the history of the development of the child (weight diaper subtracted).

In practice the weight of the child in preschool and younger school age can be calculated by the formula: x=10 kg+2n, where n is the number of years minus 1. With the onset of puberty, the rate of increase in weight increased, and the annual weight gain is 4-6 kg

An approximate representation of the change in weight of the child, depending on the age and sex of the given table. 1 and 2.

The body weight of children of the first year (average rates in kg) 3. I. Kolarovo.body Weight children over the years and adolescents (average rates in kg) 3. I. Kolarovo