PEch.6briefnotes

# PEch.6briefnotes - Chapter 6 Healthy Eating for Healthy...

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Chapter 6 Healthy Eating for Healthy Living Body Mass Index BMI , a ratio between weight and height, is a mathematical formula that correlates with body fat. The BMI numbers apply to both men and women. You calculate your body mass index by dividing your weight in kilograms by your height in meters The formula is BMI = weight(kg)/height(m). Waist Circumference (WC) is used along with Body Mass Index as a practical indicator of risk that is associated with excess abdominal fat. A waist circumference above the cut off points is associated with increased risk of coronary heart disease, Type II diabetes and also hypertension. For men: WC>= 102 cm (40 inches) For women: WC>= 88 cm (35 inches) Waist Hip Ratio (WHR) To determine your Waist to Hip Ratio , divide your waist circumference divided by your hip circumference. A WHR greater than one for men or .85 for women is considered a signal of high risk for disease a WHR of .90 to one for men or .80 to .85 for women indicates moderately high risk a WHR less than .90 for men or less than .80 for women indicates lower risk. Body Composition Assessment Skinfold fat measurement, Hydrostatic (underwater) weighing, Bioelectrical Impedance Analysis, Dual-energy X-ray absorptiometry (DXA). How Many Calories Do I Need? Calories are the measure of the amount of energy that can be derived from food. How many calories you need depends on your gender, age, body-frame size, weight, percentage of body fat, and your basal metabolic rate (BMR) – the number of calories needed to sustain your body at rest. Your activity level also affects your calorie requirements. The Dieticians of

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## This note was uploaded on 04/18/2008 for the course PE 142 taught by Professor Lauzon during the Spring '08 term at University of Victoria.

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PEch.6briefnotes - Chapter 6 Healthy Eating for Healthy...

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