Ch 6 body composition and weight managment

Ch 6 body composition and weight managment - Ch 6 Body...

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Click to edit Master subtitle style 9/20/11 Ch 6 Body Composition and Weight Management
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9/20/11 Introduction 1. Obesity epidemic in this country; CDC (center for Disease Control), located here in Atlanta, reports that nearly 2/3 of adults in U.S. are overweight (BMI[body mass index] of between 25-30) & about 30% are obese (BMI of 30 or above) 2. There are 250 million adults in this country, so 168 millions are
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9/20/11 3. Fattest state is Mississippi= 34% obesity; 27% in Georgia 4. Annual cost of being overweight & obese in this country=117 billion dollars because of health problems that they produce such as heart disease, stroke, hypertension, diabetes & some forms of cancer
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9/20/11 5. One way of looking at the human body composition is to say that it contains 2 parts: A. Fat mass- stored as fat in adipose tissue B. Lean body mass- everything else, would include such things as bone, muscle, blood & most of mass in various organs.
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9/20/11 6. Fat mass is found : A. Found in just beneath skin= subcutaneous fat ; about ½ of our fat found there. B. Rest distributed in other parts of body such as sussounding certain organs; eg, perirenal fat pad
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9/20/11 7. Another way of looking at tat in human body is to say there are two types of fat: A. Essential fat- as name implies, this type of fat essential for good health; eg, thin layer of fat around nerve fibers= myelin - allows impulses to be carried down nerve fiber MS (Multiple Sclerosis) –have trouble walking, pain
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9/20/11 Overweight Vs. Overfat 1. Overweight refers only to a person’s total body weight in relation to a person’s height & frame size. 2. that relationship shows in table 6.2 Metropolitan height- weight table; aside- average height for male in U.S. = 5 ft, 9 in; females= 5 ft, 4 in
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9/20/11 3. Actually, that table should only be used as general guidelines in determining a person’s weight- doesn’t take into account various exceptions, eg, mesomorphs- give eg of 5ft, 5 in female sprinter in your class who weighted 175 lbs, only had 10% body fat, 90% lean body mass, most of which was muscle; muscle is not deterimental to person’s health
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9/20/11 4. Now overfat refers to actual % of body mass that is made up of fat. 5. When % of fat reaches a certain level, that compromises a person’s health & person is said to be overfat 6. A person’s fatness, if you will, is much better indicator of person’s health status than total weight- eg, 6ft 2 inc male weighs 235 lbs,
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9/20/11 7. Relationship between body fat & lean body tissue= body composition 8. Body fatness cant be determined by height-weight chart can it; we’ll determine our body % body fat in lab by body circumference measurements.
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9/20/11 9. In terms of & body fat, obesity considered as 10% points above optimal % Body Fat.
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