Chapter 4: Getting Started: Adding Exercise to Your Life

Libal, Autumn
February 2005
Fitness Factor: The Importance of Physical Activity & Exercise;2005, p41
This article deals with two categories of exercise. The first category, aerobic exercise, increases heart and breathing rates and strengthens cardiovascular and respiratory systems. Running, playing basket ball, cycling and cross-country skiing are all examples of aerobic activities. The second type of exercise, anaerobic exercise, strengthens musculoskeletal system but does not necessarily benefit one's heart and lungs. Lack of exercise and unhealthy lifestyles are no longer individual problems; they are national problems. The U.S. way of life has changed drastically and many of the changes it has undergone contribute to the obesity epidemic.


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