# statistics and measurement

QUESTION 1

1. What are some challenges to studying the relationship between physical activity and health?

a.

Physical activity patterns change over a lifetime.

b.

Physical activity is multidimensional and complex

c.

There are acute and chronic responses to physical activity

d.

Physical activity has the same affect on all health outcomes

e.

A,B,C

f.

All of the Above

QUESTION 2

1. What is the unit that is used to quantify Physical Activity

Intensity?

QUESTION 3

1. To calculate weekly energy expenditure from physical activity for 30 minutes of brisk walking on three days of the week and 60 minutes of weight training on two days of the week, what do you need to know?

QUESTION 4

1. ______ is an example of a subjective measure of physical activity and a ______ is an example of an objective measure.

QUESTION 5

1. Resting metabolic rate equals how many METs?

QUESTION 6

1.

What is the main predictor of RMR (Figure 1)?

QUESTION 7

1.

Why does that predictor affect RMR so much (Figure 1)?

QUESTION 8

1. Who can undergo an aerobic fitness test?

QUESTION 9

1.

1.

How can VO2 Max be calculated? Not the equipment (i.e. treadmill, cycle ergometer, etc.).

a.

b.

c.

QUESTION 10

1. You perform a graded exercise test to determine VO2 Max measuring heart rate and gas exchange. When should you end the test?

a.

Respiratory exchange ratio reaches 0.90

b.

The individual reaches their age-predicted max heart rate

c.

Heart rate reaches a dangerous level

d.

Oxygen consumption no longer increases with an increase in power output

QUESTION 11

a.

The ability to maintain your balance on the treadmill during an exercise test.

b.

A specific protocol for people with mobility impairments.

c.

A plateau of heart rate after an increase in workload

d.

A plateau of heart rate after an increase in workload

QUESTION 12

1. What is a method to determine maximum heart rate?

QUESTION 13

1. What is the energy expenditure for an hour and 40 minutes at 3 METs for a 100kg individual? (Include units for calculations)

QUESTION 14

1. What is the VO2 of a 100kg individual moving 2kg of resistance at 50 revolutions per min for a 6 meter flywheel?

QUESTION 15

1. What is the VO2 for an individual running at 10mph on a 2 percent grade?

QUESTION 16

1. What is the relative VO2 of a 75kg person who is consuming 7.5L of Oxygen per min?

QUESTION 17

1. What are three methods of calculating body composition?

QUESTION 18

1. What is the relationship between body composition and health? Specifically, what kinds of health conditions is obesity related to?

QUESTION 19

1. What is/are major factors related to obesity in young adulthood discussed in the chapter on body composition?

a.

Obesity status as a child

b.

Both parents obese

c.

Education level of parents

d.

School lunch programs

e.

A&B

f.

B&C

g.

All of the Above

QUESTION 20

1. Obesity is preventable in most cases.

True

False

QUESTION 21

1. BMI and Mortality are related in what way?

a.

Underweight and overweight have lower mortality risk than normal weight

b.

Older adults have the lowest mortality rates compared to all other age groups

c.

Overweight does not have higher risk for mortality than normal weight

d.

Normal weight individuals always have the lowest risk of mortality

QUESTION 22

1. How does hydrostatic weighing work? Describe the procedure (steps) and final outcome variable.

QUESTION 23

1. What is the missing variable (X) in the Siri equation? %BF = (495 – X) â€“ 450

QUESTION 24

1. What is one method of calculating body composition that uses the 3-compartment model?

QUESTION 25

1.

1.

List one pro and two cons of Dual-energy X-ray Absorptiometry.

a.

b.

c.

QUESTION 26

1. What variables would you look for to determine what prediction equation to use in your research, given that several options are available? In other words, what do you need to know to compare equations objectively?

QUESTION 27

1. How do you go from individual skinfold measurements to estimating % body fat? What steps are needed?

QUESTION 28

1.

1.

List five methods for measuring the following:

a.

Strength:

b.

Endurance:

c.

Power:

QUESTION 29

1. 1RM Protocol: How many warm-up sets are necessary? How many attempts at 1RM are allowed?

QUESTION 30

1. 1RM Protocol: What alternative is there to 1RM testing?

QUESTION 31

1. Tim completed his three warm-up sets and then successfully lifted 100lbs but failed to lift 180lbs. How can I guarantee that I will find the true 1RM (within 10lbs) in the next three attempts? To demonstrate this write out all the possible 1RMs and show your plan for attempts 3, 4, and 5. Make sure you can rule out all the possible 1RMs.

QUESTION 32

1. Describe the role of muscle length in the standardization of testing maximum strength.

QUESTION 33

1. How is musculoskeletal fitness related to health?

QUESTION 34

1. How is the score determined for the push-up test?

QUESTION 35

1. How is the score determined for the standing long jump?

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