PE%20142%20Course%20Notes%20Chapter%204 - Faculty of...

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Unformatted text preview: Faculty of Education School of Exercise Science, Physical and Health Education PE 142 Human Wellness and Potential Course Notes - Chapter 4 From: Hales, Dianne and Lauzon, Lara (2007). An Invitation to Health, First Canadian Edition. Toronto: Thomson Nelson. Chapter 4 Physical Activity for Fitness and Health • Students typically log more hours in classes and in front of computers, and spend less time being physically active. • In a study by Tremblay and Chiasson, (2002) 1, fitness characteristics of Canadian college women and men, aged 17 to 20, were compared to the data of the 1981 Canada Fitness Survey (CFS). They found that out of 850 adolescent male and female subjects, only five per cent practiced vigorous physical activities at least five times per week. • Another major finding was that the muscular fitness of the young college women and men was lower and body weight and adiposity levels were greater than subjects that had been tested about 20 years before in the CFS. What is Physical Activity? • The Physical Activity Unit within Health Canada defines physical activity as all leisure and non-leisure body movement produced by the skeletal muscles and resulting in an increase in energy expenditure. • Sport is a form of leisure-time physical activity that is planned, structured and competitive. • Active living is a way of life in which physical activity is valued and integrated into daily living. 3 What Is Physical Fitness? • Physical fitness is the ability to respond to routine physical demands with enough reserve energy to cope with a sudden challenge. o Cardiorespiratory fitness refers to the ability of the body to sustain prolonged rhythmic activity. It is achieved through aerobic exercise. o Muscular fitness has two components: strength and endurance. o Strength refers to the force within muscles; it is measured by the absolute maximum weight that a person can lift, push, or press in one effort. o Endurance is the ability to perform repeated muscular effort; it is measured by counting how many times a person can lift, push, or press a given weight. o Body composition refers to the amount of fat versus the amount of lean tissue in the body. Fat includes both essential and storage fat. o Flexibility is the range of motion around specific joints. Flexibility depends on many factors: your age, gender, and posture; bone spurs; and how fat or muscular you are. Why Should I Participate in Regular Physical Activity? • Health Benefits from Exercise o Heart muscles become stronger and blood is pumped more efficiently; o heart rate and resting heart slow down; o blood pressure may drop slightly; o bones thicken and loss of calcium slows; o flexibility is increased; • Longer Life o An estimated two million people around the globe die every year because they are not physically active, according to the World Health Organization....
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This note was uploaded on 04/18/2008 for the course PE 142 taught by Professor Lauzon during the Spring '08 term at University of Victoria.

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PE%20142%20Course%20Notes%20Chapter%204 - Faculty of...

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