![]() ![]() It is widely used in medicine as a rapid indicator of potential health complications. The World Health Organization (WHO) recommends a healthy BMI range of 18.5 to 25 for both men and women. ![]() To calculate the body mass index, you need to divide the weight (in kilograms) by the square of the height (in meters). Body mass index indicates whether a person's body weight is healthy in relation to a person's height (height). Although the IBW formula is widely used in clinical settings, it is not a universal criterion for measuring the percentage of body fat and muscle mass, as it is different for each individual.īMI (Body Mass Index) - Indice de Quetelet is a method invented by the Belgian statistician Adolf Kittel (1796-1874) to calculate the degree of obesity in the human body. It is used to determine the correct dose of medication prescribed to patients and to determine body weight in sports. Ideal body weight (IBW) is a clinical standard that includes biometric variables including height, gender, and age. Third degree obesity - extreme or very severe obesityīasal Metabolic Rate (BMR) is the amount of energy your body spends at rest in a neutral and moderate environment (the digestive system is inactive - after about 12 hours of fasting). ![]() Body weight is considered normal if the BMI is in the range of 18 to 25, preferably in the range of 20 to 25. The body mass index is not suitable for calculating your weight during pregnancy, professional athletes and children under 20 years of age. This means that the child’s BMI is greater than the BMI of 95% of 10-year-old boys in the reference population.įor adults, BMI is interpreted as weight status categories that are not dependent on sex or age.The body mass index is used as an international unit to measure the weight to height ratio. This would place the boy in the 95 th percentile for BMI, and he would be considered to have obesity. For example, a 10-year-old boy of average height (56 inches) who weighs 102 pounds would have a BMI of 22.9 kg/m 2. Obesity is defined as a BMI at or above the 95 th percentile for children and teens of the same age and sex. These percentiles are calculated from the CDC growth charts, which were based on national survey data collected from 1963-65 to 1988-94 4. ![]() Due to changes in weight and height with age, as well as their relation to body fatness, BMI levels among children and teens are expressed relative to other children of the same sex and age. Is BMI interpreted the same way for children and teens as it is for adults?īMI is interpreted differently for children and teens even though it is calculated with the same formula. With individuals, health care providers should consider BMI along with other factors such as family history, blood pressure, blood sugar levels, and eating patterns and physical activity level. A single BMI-for-age calculation is not enough to evaluate long-term weight status because your child’s height and weight will change as they grow. Tracking growth patterns over time can help you make sure your child is achieving or maintaining a healthy weight. If your child has significant weight loss or gain, he or she should be referred to and guided by a doctor or other healthcare provider. Regardless of the current BMI-for-age category, help your child or teen develop healthy weight habits and talk with your doctor or other healthcare provider as part of ongoing tracking of BMI-for-age. For children and teens, BMI is age- and sex-specific and is often referred to as BMI-for-age. It is an inexpensive and easy way to screen for weight categories that may lead to health problems. Body mass index (BMI) is a person’s weight in kilograms divided by the square of height in meters. ![]()
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