Chap 6 - Physical Activity.docx - Chapter 6 – Physical Activity 1 Physical Activity exercise and fitness Physical activity – voluntary movement that

Chap 6 - Physical Activity.docx - Chapter 6 – Physical...

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Chapter 6 – Physical Activity 1. Physical Activity, exercise, and fitness - Physical activity – voluntary movement that expends calories – dancing, walking, cleaning etc. - Exercise – process of planned, structed and repetitive physical activities done to maintain or improve one or more component of physical fitness. Exercise is part of a plan and involves a level of structure - Fitness – is a capacity. Can be measured. State achieved through an exercise program 2. Components of Physical Fitness - Cardiorespiratory fitness (aerobic fitness/endurance) - Muscular strength - Flexibility - Body weigh and composition Note: Performance-related fitness has additional elements: speed, power, agility, anaerobic power and capacity 3. Benefits of Exercise - Aerobic fitness : rhythmical, sustained movements using large muscle groups and elevates the heart rate, breathing rate, metabolic rate and body temperature - Associated with decrease risk of developing coronary heart disease, stroke and type 2 diabetes and some forms of cancer (e.g. colorectal) - Exercise and physical activity can: + Reduce blood pressure + Improve lipoprotein profile
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