Energy Balance Flashcards
1
Q
Difference between BMR and RMR?
A
BMR is after overnight fasting
RMR can be 3/4 hours after a meal
2
Q
What percentages do resting metabolism, thermic effect of feeding and physical activity make up of total energy expenditure ?
A
Resting metabolism - 60-70%
Thermic effect of feeding - 5-15%
Physical activity - 2-35%
3
Q
Sources of energy input and output.
A
input - Protein, CHO, fat
output - Resting metabolism, Physical activity, Thermic effect of food.
4
Q
How does leptin assist with weight regulation ?
A
Leptin is released from adipocytes when these become engorged and act on the body to increase EE.
You can become leptin resistant during obesity.
