Today the United States ranks as the most obese country in the world. Furthermore, BMI appears to be strongly correlated with various adverse health outcomes consistent with these more direct measures of body fatness." - (The chart below is a rough guide that reveals if you are of average BMI and weight, overweight, or are considered to be obese for your height. "BMI does not measure body fat directly, but research has shown that BMI is moderately correlated with more direct measures of body fat obtained from skinfold thickness measurements, bioelectrical impedance, underwater weighing, dual energy x-ray absorptiometry (DXA) and other methods. Many athletes tend to have high BMI due to muscle mass being built up and not due to body fat. This is especially true when BMI were used to measure athletes, a large percentage of them were often considered to be obese, where in actual fact they are not. However, BMI should be used carefully when determining whether one is obese or not, especially when classifying different categories of people.īMI does not really accurately tell how much fat a person really has this is due to the nature that it cannot really differentiate between body fat and muscle mass. The main issue for using BMI is that regardless of gender and age, the same criteria is used to determine whether one is normal, overweight or obese. However, the diagnostic accuracy of BMI to detect excess in body adiposity (obesity) is largely unknown. A Word Regarding the Accuracy of BMIīody mass index (BMI) is the most widely used measure to diagnose obesity. 1 - Waist size diagram showing a Healthy waist at 33 inches, Overweight waist size of 45 inches, and Obese 60 inch waist size. Or, if you prefer, we have an Adult BMI Calculator and Chart, as well as a BMI Calculator for Children.įig. Our chart below shows the data already calculated for you. If your BMI is over 30 you are considered obese. If your BMI ranges between 25 - 30 you are overweight. If your BMI is between 18 - 25 you are a normal weight. The most common way to determine whether or not you are of average healthy weight is by calculating your body mass index, or BMI. Generally, you are not considered obese until your body weight is at least 20% above what it should be. Body Mass Index, or BMI, is used as a screening tool for overweight or obesity. Weight that is higher than what is considered as a healthy weight for a given height is described as overweight or obese.
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