Chapter 2

Question 1

How can we measure Physical Activity

Answer 1

self reports

• recall
• logs

technology

• heart rate monitor
• pedometer
• accelerometer
• global positioning system (GPS)

Observation

• direct (live viewing)
• indirect (viewing recorded)

Question 2

Epidemiology

Answer 2

document current patterns of physical activity behavior in society
who, what, where, why, and when of physical activity
morbidity and mortality outcomes of physical activity

examines variations among groups of people (age, gender, race, income, education, etc)

Question 3

Adult Patters of physical activity

Answer 3

50-70% of industrialized countries’ residents are not physically active enough

there are slight trends that show imporvement

Question 4

age and physical activity

Answer 4

reduction in PA as one ages
increased obesity and diabetes and sedentary behaviors amoung the young
sedentary behavior increases linearly with age
mild PA decreases linearly with age
45% of american children view tv >2 hours per day

active when young does not mean you’ll be active when old

Question 5

gender and physical activity

Answer 5

males are generally more physical active and engage in more vigorous acitivities

Question 6

race and PA

Answer 6

non-caucasian groups have low levels of PA and higher levels of sedentary behavior

Question 7

income and PA

Answer 7

no direct relation

Question 8

Education and PA

Answer 8

activity levels increase with higher education levles

Question 9

PA patters across the globe

Answer 9

50% of people fail to meet lowest PA requirements

time spend PA declines linearly with age

males engage in more vigorous, females engage in more moderate-intensity physical activity

low income and small ethnic minority groups are less active

education level directly related to PA level

Question 10

Morbidity and mortality and PA

Answer 10

PA people outlive sedentary people

morbidity - less coronary disease among those who are even modernly physically active