pp 46-50

Question 1

activities such as brisk walking, jogging, swimming, cycling, in-line skating, and other nonstop vigorous exercises that improve the condition of the heart and lungs

Answer 1

aerobic

Question 2

intense activities lasting only short periods

Answer 2

anaerobic

Question 3

exercises that involve little or no outward movement of body parts

Answer 3

isometric exercises

Question 4

exercises that involve exerting amore or less constant force against a moveable resistance

Answer 4

isotonic exercises

Question 5

involve exerting as much force as possible against a resistance that moves at a more or less constant speed

Answer 5

isokinetic exercises

Question 6

Why can anaerobic exercises be sustained for only short periods of time?

Answer 6

because the body’s demand for oxygen is greater than the supply

Question 7

List three categories of anaerobic exercises that may be included in weight-training programs.

Answer 7

isometric, isotonic, isokinetic