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5 Cards in this Set
- Front
- Back
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Positive vs Negative energy balance?
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Positive: energy intake exceeds outtake - weight increase.
Negative: energy intake less than outtate - weight loss. |
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Major components of energy expenditure?
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Basal metabolism: energy for basic living functions
Physical activity: energy needed for muscular work. |
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BMI? Fat distribution?
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BMI: weight divided by height squared.
Fat distribution: waist:hip ratio |
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Explanations for obesity?
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-increased calories
-portion sizes (green revolution) -decreased physical activity; more tv watching, computer / internet use. |
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Risks associated with obesity?
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-higher mortality rates
-increase rate of heart attacks, strokes, high BP -diabetes, surgery -certain cancers -discrimination! |
