261605087-3-Body-Composition-Notes - Copy.doc - PHED 2007 Body Composition Obesity to Underweight Healthy Body Weight Science defines a healthy body

261605087-3-Body-Composition-Notes - Copy.doc - PHED 2007...

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PHED 2007 Body Composition: Obesity to Underweight Healthy Body Weight Science defines a healthy body weight based on _____________________ from all causes. 1. Weight for height 2. Fat _________________ 3. Absence of __________ ______________ associated with obesity (e.g. cholesterol, blood glucose, BP) Measuring Body Composition Body Mass Index (BMI) Defines average relative weight for height in people older than 20 years Often correlates with degree of body fatness and disease risk Calculated by _____________ your weight (kg) by your height (m 2) Does not distinguish between __________ and ___________________ tissue Doesn’t tell where fat is ____________ Groups for which BMI may not correlate with fat: o Athletes o Pregnant and Lactating Women o People Over 65 Canadian BMI Catergories Underweight BMI < _____________ Healthy weight BMI ____________________ Overweight BMI _________________________ Obese BMI > _____________ Body Composition Body mass is made up of: fat, muscle, bone & organs essential fat: men 5 % ; women 12% - bone marrow, CNS, internal organs Healthy % body fat: men 12-20%; women 20-30% Risks from Underweight Body fat: essential in manufacture of hormones ; required component of every cell in the body and provides a cushion for internal organs.
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