Explain the major conclusions of the 2008 Physical Activity ...

[CORALGRILL2014]

Explain the major conclusions of the 2008 Physical Activity Guidelines (see Exhibit 8.1). Note that the major conclusions of the Guidelines are in Exhibit 8.1, not Table 8.1 as stated in the book.

Question 2

Jack is trying to choose foods that contain whole grains. He is comparing the two waffle labels shown in Figure 1 (on following page). Which type of waffle would be the best purchase?
 a. Waffle 1 contains whole-grain flour.
  b. Waffle 2 contains whole-grain flour.
  c. Both waffles contain whole grains.
  d. Neither waffle contains whole grains.

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Answer to Question 1

 Regular physical activity reduces the risk of many adverse health outcomes. These are listed in the answer to number 2.
 Some physical activity is better than none. Even moderately active individuals have a lower mortality than sedentary individuals.
 For most health outcomes, additional benefits occur as the amount of physical activity increases through higher intensity, greater frequency, and/or longer duration.
 Most health benefits occur with at least 2 hours and 30 minutes (150 minutes) a week of moderate-intensity physical activity, such as brisk walking. Additional benefits occur with more physical activity.
 Episodes of activity that are at least 10 minutes long count toward meeting the guidelines.
 Both aerobic (endurance) and muscle-strengthening (resistance) physical activity are beneficial.
 Health benefits of physical activity occur for children and adolescents, young and middle-aged adults, older adults, and those in every studied racial and ethnic group.
 Health benefits of physical activity are attainable for people with disabilities.
 The benefits of physical activity outweigh the risks of injury and heart attack.

Answer to Question 2

a

[CORALGRILL2014]

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[jojobee318]

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