Metabolism Flashcards
Energy intake is
Caloric intake that we get from out diet
Energy output or expenditure is?
Caloric output • Basal metabolic rate • Thermic effect of digestion • Daily activity • Exercise
Intake =
Output (Expenditure)
• Caloric Balance
• Maintain weight
• If body weight does not change over the course of several days or weeks, there is caloric balance
Intake > Output means
- Positive Caloric State
* Gain weight
Output > Intake means
- Negative Caloric State
* Lose weight
Weight Management: What are both sides of the equation?
- Caloric Intake; adjust the diet & ingest fewer calories
- Caloric output; Get enough physical activity, increase daily activity, exercise causes positive adaptations to the cells
Body weight provides a?
Rough estimate of energy state
Normal weight is?
Average weight for a given height
Overweight is?
More than average body weight from muscle, fat, or water
Underweight is?
Less than average body weight from muscle, fat, or water
Obesity is?
Having excess body fat
• Most commonly used measurement in clinical and research settings
• Does NOT actually measure fat
• Strong bias (error) in muscular individuals
• Moderately related to the best method (hydrostatic
weighing) for measuring fat (r = .71)
Body Mass Index
BMI =
• It is a ratio of?
• Does not indicate what the?
body mass (kg) / Height (m2)
• weight per unit height
• body is made up of
40=
40 Extreme Obesity
Used to study relationship between body size (_____) and risk of disease (_________) and early death (_______).
Body size=BMI
Risk of disease= morbidity
Early death= mortality
