Energy Balance/ Weight Management

Question 1

RMR

Answer 1

largest component of daily energy expenditure (60-75%)

required to maintain normal body function

Question 2

Diet induced thermogenesis

Answer 2

Increase in energy expenditure after eating

10% of energy

Question 3

Thermic effect of exercise

Answer 3

most variable depends on work

Question 4

Visceral fat

Answer 4

accumulates within abdominal cavity

poses increased risk to health

Question 5

What horomone promotes satiety

Answer 5

Leptin- produced by adipose tissue

Question 6

Waist to hip ratio is a good mortality indicator in what pop

Answer 6

older imdv.

Question 7

Densitometry

Answer 7

Water displacement, based on density of fat and fat free masss

Question 8

DEXA

Answer 8

compartments w/ dif densities absorb dif amounts of low energy x rays

Question 9

Energy expenditure calc

Athlete with 47.3 kg FFM, burns 14kcal a min works out for 60 mins

Answer 9

RMR= 500 + (22* FFM) = 1540
DIT= 1540*.3= 462
TEE= 14kcal/min * 60 mins= 840

Question 10

effects of v low energy diets

Answer 10

rapid weight loss (1st week loss of glycogen/ water)

increases ketosis

Question 11

effects of low fat diet

Answer 11

effective in reducing energy intake/ promote fat loss

fat is stored effectively + requires lil energy for digestion

Question 12

high pro diet

Answer 12

has greater effect on satiety, thermogenic effect

Question 13

low carb diet

Answer 13

ketogenic diet produces ketone bodies that suppress appetite
not recomended

Question 14

@ what percentage VO2 max does most fat oxidation occur

Answer 14

55-65%