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Body Composition

Body Composition. The body’s proportion of fat and fat-free mass. Fat Free Mass. All non-fat tissue. Fat (adipose tissue). Essential Fat – normal body functioning Males: __% to __% Females: __% to __ % Non-Essential Fat – storage of fat in _______ tissue.

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Body Composition

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  1. Body Composition The body’s proportion of fat and fat-free mass

  2. Fat Free Mass • All non-fat tissue

  3. Fat (adipose tissue) • Essential Fat – normal body functioning Males: __% to __% Females: __% to __ % • Non-Essential Fat – storage of fat in _______ tissue. • _______________________________ • _______________________________ • _______________________________ • _______________________________

  4. Body Composition of a Typical (?) Man and Woman

  5. Overweight • Body weight above recommended range for good health. • 10% above recommended range (Ht/Wt) • BMI 25 – 29.9 • ___% of adult Americans are overweight

  6. Obesity • A more serious degree of overweight causing a significant impairment of health. • 20% above recommended weight (Ht/Wt) • BMI >30 • ___% of American adults are obese

  7. Prevalence of Overweight and Obesity Among Americans

  8. Body Weight and Cancer Mortality

  9. Percent Body Fat • The proportion of the body’s total weight that is fat. • Methods of determining % body fat • Underwater weighing • Skinfold (calipers) • Bio-impedance (ELG) • Bod Pod

  10. Percent Body Fat Chart Males (% Fat) Females (% Fat) Rating (ages 18-30) (ages 18-30) Desirable 6-14 10-19 Acceptable 15-17 20-24 Overfat 18-19 25-29 Obese 20 or over 30 or over

  11. Body Fat Distribution – Android (apple shaped) • Predominantly ____ • Region – _________ • Site – __________ • Fat cell size – _____ • Fat mobilization - ___________

  12. Android Distribution & Disease Android = Increased risk for cardiovascular disease and diabetes. • Easy fat mobilization = sensitive to ________ resulting in increased lipids in blood = LDL • Large fat cell size = less ____________ produced so less sensitive to insulin Android fat distribution is determined by: • W/H Ratio: Male >.94 Female >.82 • Waist Cir.: Male >40” Female >35”

  13. Body Fat Distribution – Gynoid (Pear shaped) • Predominantly ________ • Region - _________ ____________ • Site – ___________ • Fat cell size – _____ • Fat mobilization - ___________

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