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Body Mass Index What is Body Mass Index(BMI)? • measurement of body fat • based on height and weight What is the BMI Formula? Weight in pounds X 703 ———————————— Height in inches² How can I use BMI to determine if I am an ideal body weight? • 20 and 25 - healthy • Below 20 - underweight • Above 25 - overweight • Above 30 - obesity How does BMI impact your health risks? The higher your BMI, the higher your risk of developing such conditions as heart disease, high blood pressure, sleep apnea, and type 2 diabetes. Is BMI accurate? • It is generally accurate for most people, but can read too high for athletes or others with large, heavy muscles. • The most accurate way to determine one’s body composition is by calculating % of body fat. • The most accurate test is under water hydrostatic weighing • The second most accurate test is the skin fold test with a + or – 3 % margin for error. Ticket out the Door • Record your BMI • Does your BMI put your health at risk?
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