From which level of the activity pyramid should you select physical activities to build cardiovascular fitness?
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Answer:
THE PHYSICAL ACTIVITY PYRAMID
National physical activity guidelines for youth developed by the U.S. Department of Health and Human Services (USDHHS) recommend at least 60 minutes of physical activity each day. The five steps of the Physical Activity Pyramid (figure 5.2) help you understand the five kinds of physical activity, which build different parts of fitness and produce different health and wellness benefits (recall the principle of specificity). To meet the recommended 60 minutes of daily activity, you can choose from the different types of activity. For optimal benefits, you should perform activities from all parts of the pyramid each week. As you can see, activities at or near the bottom of the pyramid may need to be done more frequently or for a longer time than those near the top of the pyramid to get the same volume of activity.