BMI (body mass index, referred to as body mass index, also known as body mass index, English as a Body Mass Index, referred to as BMI), is the weight in kilograms divided by height with the number of squares that the number of meters, is commonly used to measure the international body fat thin and whether the extent of a health standard. Mainly used for statistical purposes, when we need to compare and analyze a person's body weight for different heights of people about the health effects, BMI value is a neutral and reliable indicators. Definition The concept of body mass index, mid-19th century by the Belgian liberal Kettler first proposed. It is defined as follows:
Body mass index (BMI) = weight (kg) / height m2 (m) EX: 70kg/1.75/1.75 = 22.86 BMI value BMI value of the original design for public health research is a statistical tool. When we need to know whether obesity causes a disease, we can convert the patient's height and weight into BMI values, and then find out its value and whether the incidence rates in a linear association. However, as technology advances, there is only a reference value of BMI values. To really measure whether the patient is obese, but also patients using micro electrical impedance measurements to infer the thickness of the patient's fat. Therefore, BMI's role has slowly changed, from the medical use of slimming indicators into the general public.
BMI values for adults BMI, men, women Underweight, less than 20, less than 19 Moderate, 20-25, 19-24 Overweight, 25-30, 24-29
Obesity, 30-35, 29-34
Very obese, above 35, higher than 34 Experts point out that the ideal BMI is 22 Because of the error, so the BMI only as a personal weight and health status assessment of a number of criteria. National Institute of Health (NIH) recommended doctors refer to the following three factors assess whether patients are overweight. BMI Waist - measurement of abdominal fat and obesity-related disease risk factors, such as high blood pressure, LDL ("vicious") cholesterol, HDL ("good") cholesterol is too low, high blood sugar and smoking. Because a person's BMI did not count fat percentage, so a BMI index of overweight people may actually not obese. For example, a practicing fitness, the heavy proportion of muscle weight, and his BMI index of more than 30. If their body fat percentage is low, it does not need to lose weight. Indicators Asian standards The traditional standard of adult obesity is less than 30, but was changed in recent Asian adult index of 27.5. A BMI of 23 Asian adults are now considered overweight, while the ideal index is 18.5 and 22.9. BMI values for children BMI values for children is not only suitable for adults. For growing children, we can use to calculate their BMI, whether they are overweight. BMI above formula also applies to 2-20 years of age, but they are too heavy and too light indicators, not by a fixed BMI value of the decision. This is because children in different regions have different growth rates, the use of a fixed value, easy to make wrong judgments. Many countries and regions every year for the local children for height and weight statistics. These statistics, can be transformed into a BMI value, thereby the statistics of the local children's BMI value of the distribution. According to this distribution, the local government can figure out the health of local children, overweight and underweight targets. In general, the average will be figured out using BMI value and its standard deviation, and then calculate the distribution of its normal maximum of 5% and the lowest 5% of overweight and underweight targets. On the other hand, the BMI value of 85% in the normal distribution segment -95% of children, they have overweight crisis.
Body mass index (BMI) = weight (kg) / height m2 (m) EX: 70kg/1.75/1.75 = 22.86 BMI value BMI value of the original design for public health research is a statistical tool. When we need to know whether obesity causes a disease, we can convert the patient's height and weight into BMI values, and then find out its value and whether the incidence rates in a linear association. However, as technology advances, there is only a reference value of BMI values. To really measure whether the patient is obese, but also patients using micro electrical impedance measurements to infer the thickness of the patient's fat. Therefore, BMI's role has slowly changed, from the medical use of slimming indicators into the general public.
BMI values for adults BMI, men, women Underweight, less than 20, less than 19 Moderate, 20-25, 19-24 Overweight, 25-30, 24-29
Obesity, 30-35, 29-34
Very obese, above 35, higher than 34 Experts point out that the ideal BMI is 22 Because of the error, so the BMI only as a personal weight and health status assessment of a number of criteria. National Institute of Health (NIH) recommended doctors refer to the following three factors assess whether patients are overweight. BMI Waist - measurement of abdominal fat and obesity-related disease risk factors, such as high blood pressure, LDL ("vicious") cholesterol, HDL ("good") cholesterol is too low, high blood sugar and smoking. Because a person's BMI did not count fat percentage, so a BMI index of overweight people may actually not obese. For example, a practicing fitness, the heavy proportion of muscle weight, and his BMI index of more than 30. If their body fat percentage is low, it does not need to lose weight. Indicators Asian standards The traditional standard of adult obesity is less than 30, but was changed in recent Asian adult index of 27.5. A BMI of 23 Asian adults are now considered overweight, while the ideal index is 18.5 and 22.9. BMI values for children BMI values for children is not only suitable for adults. For growing children, we can use to calculate their BMI, whether they are overweight. BMI above formula also applies to 2-20 years of age, but they are too heavy and too light indicators, not by a fixed BMI value of the decision. This is because children in different regions have different growth rates, the use of a fixed value, easy to make wrong judgments. Many countries and regions every year for the local children for height and weight statistics. These statistics, can be transformed into a BMI value, thereby the statistics of the local children's BMI value of the distribution. According to this distribution, the local government can figure out the health of local children, overweight and underweight targets. In general, the average will be figured out using BMI value and its standard deviation, and then calculate the distribution of its normal maximum of 5% and the lowest 5% of overweight and underweight targets. On the other hand, the BMI value of 85% in the normal distribution segment -95% of children, they have overweight crisis.
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