Energy balance
-:- a state when one's energy intake is equivalent to the amount of energy expended
Energy in equals energy out (calories consumed is burned through basic body functions +
exercise
-:- energy balance
positive energy balance
-:- occurs if more calories (energy) are consumed ...
✓ -:- basal metabolism, the thermic effect of food, and thermogenesis
Energy can be expended intentionally through _______________
✓ -:- physical activity (aka exercise)
Two major components of energy expenditure are:
✓ -:- basal metabolic rate and physical activity
Basal metabolic rate (BMR)
✓ -:- the number of calories used by the body while in a fasting state and accounts for
approximately 60-70% of energy expenditure
BMR varies by person based on factors such as:
✓ -:- gender, lean body mass, body size, temperature, age, nervous system activities,
levels of caffeine intake, and tobacco use
BMR males:
✓ -:- 1 kcal/kg/hour
BMR females:
3|Page | Grade A+| 2024/2025
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