Chapter 1 - Assessing PA

Question 1

Main purposes of measuring PA at a population level?

Answer 1

• document the frequency and distribution of PA in defined population groups
• monitor and find trends over time in PA levels

Question 2

Main purposes of measuring PA at an individual level?

Answer 2

• detect change in an individuals health

- to determine the effect of any change in PA behaviour

Question 3

Why were the guidelines created?

Answer 3

• to decrease health related issues
• education Australian’s
• government was concerned about weight of Australian’s

Question 4

Social benefits of being physically active?

Answer 4

• improves social skills
• enhances self-esteem/confidence
• encourages family/community links
• reduces isolation/loneliness

Question 5

Physical and mental benefits of being physically active?

Answer 5

• improves quality of life
• manages weight
• improves sleep
• develops motor skills
• improves concentration
• enhances memory and learning
• helps to manage pain (65+yrs)

Question 6

Environmental benefits of being physically active?

Answer 6

• reduces traffic congestion
• reduces air pollution
• reduces greenhouse emissions
• creates safer places due to more people being outside

Question 7

Economic benefits of being physically active?

Answer 7

• creates employment
• reduces absenteeism
• reduces crime
• increases health savings
• supports local businesses
• increases tourism

Question 8

define physical activity

Answer 8

any activity that gets your body moving, increases energy expenditure above basal level

Question 9

define sedentary behaviour

Answer 9

refers to sitting or lying down for prolonged periods of time that is the same of close to rest. Equivalent of about 1-2 METS

Question 10

what are the four dimension of PA?

Answer 10

type, frequency, duration, intensity

Question 11

what are the domains of PA?

Answer 11

occupational, household, active transport, leisure time

Question 12

what are the exercise intensities for METS?

Answer 12

low = less than 3 METS
moderate = 3-6 METS
vigorous = 7+ METS

Question 13

what are subjective measures of PA?

Answer 13

rely on the person’s ability to recall their participation in PA

Question 14

what are objective measures of PA?

Answer 14

relies on numerical data or observations. Measured by direct observation or machines

Question 15

2 advantages and 2 disadvantages of reports, logs and diaries

Answer 15

+’s: good for small groups, measures multiple dimensions

-‘s: not suitable for children under the age of 10, medium to high reactivity

Question 16

2 advantages and 2 disadvantages of recall instruments/surveys

Answer 16

+’s: no reactivity associated, can asses multiple dimensions

-‘s: not suitable for children under the age of 10, social desirability bias

Question 17

2 advantages and 2 disadvantages of direct observation

Answer 17

+’s: collects contextual info, measures multiple dimensions

-‘s: high reactivity, time intensive

Question 18

2 advantages and 2 disadvantages of pedometers

Answer 18

+’s: non-invasive, easy for large groups

-‘s: cannot measure intensity, reactivity

Question 19

2 advantages and 2 disadvantages of accelerometres

Answer 19

+’s: provides minute by minute data, small, non-invasive

-‘s: does not measure type, potential reactivity

Question 20

2 advantages and 2 disadvantages of heart rate

Answer 20

+’s: accurate measure of intensity, quick and easy data collection
-‘s: expensive for large groups, only on land