Week 2 - Physical Activity and Public Health

Question 1

what is energy imbalance?

Answer 1

more calorie intake than calorie expenditure

Question 2

what are diseases of the developed world?

Answer 2

obesity, type II diabetes and cardiovascular disease

Question 3

The WHO report says inactivity is the x rated cause of mortality

Answer 3

4th

Question 4

what cost does obesity have on the economy?

Answer 4

53.8 billion in direct healthcare and 13.1 billion in productivity loss

Question 5

what is the correlation between sedentry lifestyle/ obesity and vehicle miles driven?

Answer 5

linearly exponential

Question 6

what is the correlation between sedentry lifestyle/ obesity and vehicle miles driven?

Answer 6

linearly exponential

Question 7

what is BMR?

Answer 7

basal metabolic rate

Question 8

what does basal metabolic rate mean?

Answer 8

the energy required for our bodies to operate at a basic level

Question 9

how much energy is needed to maintain BMR?

Answer 9

1500-1700kcal a day

Question 10

what is DIT?

Answer 10

diet induced thermogenesis

Question 11

what is diet induced thermogenesis?

Answer 11

energy expenditure of absorption of food/ maintaining body temp

Question 12

what energy is needed to maintain DIT?

Answer 12

200-250kcal/day

Question 13

what is NEAT?

Answer 13

non-exercising active thermogenesis

Question 14

what is non-exercising active thermogenesis?

Answer 14

Physical activities of daily life which are not for the purpose of improving fitness

Question 15

what energy is involved in NEAT?

Answer 15

75-120kcal

Question 16

what is exercise?

Answer 16

intentional planned structured activity to improve health and fitness

Question 17

what is the equation for estaimating total energy expenditure?

Answer 17

TEE = RMR X(1 + Activity Multipler)

Question 18

what is the respiratory exchange ratio?

Answer 18

a measure of energy expenditure

Question 19

what exercise burns more fat than carbohydrates?

Answer 19

running slowly

Question 20

what is a mans best medicine?

Answer 20

walking

Question 21

what were the PA guidelines in 2007 advised by ACSM and HA?

Answer 21

30 mins moderate PA 5 times a week or 20 mins vigorous exercise 3 times a week

Question 22

what were the PA guidelines in 2008 advised by USDHHS?

Answer 22

150 minutes a week of moderate PA or 75 vigorous, spread throughout thr week

Question 23

what is whole room calorimetry?

Answer 23

a labratory methof of measuring energy expended from the body via breakdown of oxygen and loss of heat

Question 24

what is doubly labelled water?

Answer 24

labratory method of measuring energy expenditure - ingestion of water isotopes, determine CO2 loss from body by urine sample

Question 25

what is indirect calorimetry?

Answer 25

lab method to measure VO2 max

Question 26

what are METs?

Answer 26

metabolic equivalents

Question 27

what is the advised EE weekly in terms of METs?

Answer 27

high PA - 1500/3000 METs
moderate - 600METs

Question 28

what is 1 MET?

Answer 28

equal to the energy you expend at rest

Question 29

what is considered vigorous EE in terms of METs?

Answer 29

> 6 METs

Question 30

What is considered moderate EE in terms of METs?

Answer 30

3-6METs

Question 31

what is considered sedentary behaviour in terms of METs?

Answer 31

0.9-1.5 METs

Question 32

what is the 4th leading cause of death?

Answer 32

inactivity

Question 33

what are the stats for obesity of 3 year olds?

Answer 33

1 in 4 are obese

Question 34

how many METs a week is needed to see a decrease in mortality risk?

Answer 34

600METs

Question 35

what is the science of successful aging?

Answer 35

maintaining physical function and cognitive function while minimising risk of disease via exercise

Question 36

what is the science of successful aging?

Answer 36

maintaining physical function and cognitive function while minimising risk of disease via exercise