BODY COMPOSITION

Mr. Vecchio

Health 2013

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

BMI CHART

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

EVALUATING BODY COMPOSITION

Skin Fold Measurements- subcutaneous fat at 8 sites (tester skill)

BIA (hydration) Circumferential Measurements (simple) BMI (groups) Hydrostatic Weighing (most valid)

MAKING CHANGES

Exercise (cardio burns fat, resistance builds lean muscle)

Diet (Balanced) 1-2 lbs per week gain/loss is healthy non-

water weight