Exercise Phys FINAL (Ch. 20)

Which of the following most accurately represents the current state of exercise in the United States?

Only 20% of the population engages in physical activity sufficient to promote aerobic fitness.

Physical activity guidelines for Americans recommend _________ hours per week of moderate-intensity or __________ hours per week of vigorous-intensity exercise

2.5, 1.25

A graded exercise test is usually conducted using a

treadmill

Which of these techniques is NOT commonly used to help confirm the presence of CAD after abnormalities are seen in a graded exercise test?

echocardiogram

Imaging technology when added to a graded exercise test (GXT)

increases both the sensitivity and specificity

Tom is 57 years old. He lost his father to heart disease at 62 and quit smoking 3 months ago. His blood pressure is 132/74 and his total cholesterol is 247 mg/dl. How many risk factors for CAD does Tom have?

3

Molly is a 34-year-old teacher. She is 5 feet 6 inches tall and 157 pounds. She walks her dog twice each day for 45 minutes. Her blood pressure is 117/83, her total cholesterol is 175 mg/dl, and her HDL is 65 mg/dl. She is concerned about heart disease be

0

The overall minimal amount of exercise necessary for producing physiological benefits is called the

threshold

Which of these is NOT a prescribed mode of aerobic endurance exercise?

Golfing

Exercise modes should be

Enjoyable

Optimal exercise duration for aerobic health benefits is

20 to 30 min per day

For most people, the appropriate exercise intensity for aerobic health benefits is

40% to 80% VO2 max

As little as______ minutes of continuous sitting has been found to negatively affect physiology.

30

A drawback of using MET calculations for estimating exercise intensity is that they

fail to account for physical conditioning

A rating of 15 to 16 on the Borg RPE scale means that exercise is

Hard

A good warm-up can reduce

muscle and joint soreness

Which of these recreational activities would also be good for endurance training?

hiking

How is a proper starting point determined for resistance training?

10 reps at 1/2 1RM leads to fatigue

A recreational activity should be all of the following EXCEPT

too difficult to perform well

In which of these clinical populations might exercise NOT be used in rehabilitation?

anorexia nervosa patients

Everyone should undergo a medical examination before starting an exercise program.

False

Medical evaluations can provide motivation for sticking with an exercise routine.

True

A treadmill GXT is the most common type of exercise testing.

True

Exercise ECGs have limited value in young and healthy populations.

True

Aerobic exercise below the minimum threshold will not yield significant improvements in aerobic capacity.

True

Preconditioning often uses common modes of aerobic exercise.

True

Regular exercise counteracts the negative effects of prolonged sitting.

False

The Karvonen method for calculating THR involves maximal heart rate reserve.

True

RPE is a simple but not very accurate method of monitoring exercise intensity.

False

Golf, bowling, and softball are acceptable modes of exercise for aerobic training.

False