Nutrition+_+Physical+Activity

Nutrition+_+Physical+Activity - Nutrition and Physical...

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Nutrition and Physical Activity (4/13/11) Recommended Readings: nd  ed, Chapter 13.
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Lecture Outline Defining physical activity and fitness Benefits of physical activity What constitutes a sound fitness program Fuel for physical activity Other nutritional considerations during and  after exercise Summary 2
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Definitions Physical activity  : any muscle movement that  increases energy expenditure Leisure time  physical activity: any activity  unrelated to a person’s occupation Recreational  – hiking, walking, biking Competitive sports   Exercise  – purposeful, planned, structured physical  activity 3
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More Definitions Physical fitness : The ability to carry out daily  tasks with alertness and vigor, without undue  fatigue, and with enough energy reserve to  meet emergencies or to enjoy leisure time.  Physical fitness includes Cardiorespiratory fitness Musculoskeletal fitness Flexibility 4
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Lecture Outline Defining physical activity and fitness Benefits of physical activity What constitutes a sound fitness program Fuel for physical activity Other nutritional considerations during and  after exercise Summary 5
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Benefits of Regular Physical Activity Reduces risk of heart disease, type 2  diabetes, stroke, high blood pressure Improves sleep pattern  Improves immune function 6
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How Aerobic Exercise Reduces Risk of heart disease, type 2 diabetes, stroke, high blood pressure Improves (by increasing)  HDL levels Ratio lean body : fat mass Improves (by decreasing) Blood Triglyceride levels Resting heart rate (pulse) Visceral fat mass 7
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physical activity, or too little Despite the clear  benefits of regular  physical activity… ….only 30% of us get  “sufficient” exercise. 8
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Nutrition+_+Physical+Activity - Nutrition and Physical...

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