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BODY COMPOSITION
Mr. Vecchio
Health 2013
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BODY COMPOSITION
Relative % of body fat to lean body tissue No single weight for every person Rationale- threshold level of body fatness
above which health risks increase Body Weight = not a good predictor of body
fat (lean mass variations) Men 25% and below Women 32% and below
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BMI CHART
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INFLUENCES ON BODY COMPOSITION
Calorie Intake- calories taken in - calories expended
Metabolism- resting metabolic rate Heredity- Inherited from parents
(easier/harder to lose weight) Physical Activity- Increases metabolism
during/after
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EVALUATING BODY COMPOSITION
Skin Fold Measurements- subcutaneous fat at 8 sites (tester skill)
BIA (hydration) Circumferential Measurements (simple) BMI (groups) Hydrostatic Weighing (most valid)
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MAKING CHANGES
Exercise (cardio burns fat, resistance builds lean muscle)
Diet (Balanced) 1-2 lbs per week gain/loss is healthy non-
water weight