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Lecture 3

EXSC 191 Lecture 3: exsc 191 chapter 1

3 Pages
Spring 2016

Exercise Science
Course Code
EXSC 191

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Chapter 1: physical fitness and wellness January 19 2015 Defining health: -Webster’s dictionary: the condition of being sound in body, mind, and spirit… freedom form physical disease or pain -WHO says: health is a state of complete physical, social, and mental being, not merely the absence of disease and infirmity -technology has almost completely eliminated the need for physical exertion in daily life as most activates can be accomplished by machines -Sedentary death syndrome (SeDS): term used to describe deaths that are attributed to a lack of regular physical activity -physical inactivity and negative lifestyle habits increase the risk for chronic disease and premature mortality -there is continued growing interest in preventative medicines such as participation in fitness and wellness programs -causes of death in the Uth1900-2010: -Beginning of 20 century: life expectancy was 47 yearrs, major life threats were infectious disease (tb, flu) -Mid to late 20 century: causes of death have shifted to chronic diseases such as cancer and diabetes -prevention is the best medicine -good health can be mostly self controlled -premature death can be prevented by making positive lifestyle choice -factors that determine our health and longevity: -genetics -behavior -environment -life expectancy factors: -extremely poor health in some groups (for ex. Native American’s and inner-city poor) -obesity -gender gap -national institute of aging expects life expectancy to decrease by 5 years in the coming decades -we can control 84% of preventative deaths -physical activity: bodily movement produced by skeletal muscles, requires expenditure of energy and produces progressive health benefits such as walking up stairs, gardening, etc. -exercise: a type of physical activity that requires planned, structured, and repetitive bodily movement with the intent of improving/maintaining one or more components of physical fitness such as walking, running, swimming, cycling, etc. -daily physical activity recommendations: -moderate physical activity: activity that uses 150 calories of energy per day, or 1,000 calories per week -examples include walking, cycling, basketball, swimming, dancing, water aerobics, raking leaves, washing a car, washing floors, gardening, etc. -general health recommendation: -perform the activity in 30-minute continuous segments over 5 days each week -note: 30 minute continuous segmen
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