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Lecture 16

KINE 1020 Lecture Notes - Lecture 16: Osteoporosis


Department
Kinesiology & Health Science
Course Code
KINE 1020
Professor
Nicolette S Richardson
Lecture
16

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Physical Activity Guidelines (Ch )
-1980-2000, PA promotions increased PA but 60% adults still inactive
- Higher income (SES) = more physical activity
- We’re growing more inactive
- Being inactive increases risk of diseases by 90% (relatively) and mortality rates
- Reducing PA inactivity from 62% to 56% would save $150 million/year
- Inactivity=cost in healthcare $2.1 billion/year
FIVE COMPONENTS OF HEALTH-RELATED FITNESS:
1. Cardiorespiratory Endurance (fitness of heart)
2. Muscular Strength
3. Muscular Endurance
4. Flexibility (prevents injury)
5. Body Composition
BENEFITS OF EXERCISE
- improves mood + decreases psych. symptoms
- increases cardiorespiratory capacity
- aids digestion
- strengthens bone + flexibility
- improves circulation
- reduces risk of heart disease
- increases muscle strength + tone
- increased life expectancy
- decreases risk of cardiovascular disease, stroke, cancer (breast, colon, prostate), adult onset
diabetes, osteoporosis, bone fractures, injury, lower back pain
- improved cardiac fnc, blood fat conc, ability to deliver oxygen to tissues, body chem (lipids),
protection against stress’s physio effects + fatigue
- quick recovery from illness + injury
- increase/strengthen 5 components of fitness
MENTAL HEALTH BENEFITS
- reduction in stress symptoms, tension
- improves sleeping habits, energy, resistence to fatigue, self-image, brain, life!
- decreasedrisk of Alzheimer’s and Parkinson’s
PA GUIDELINES
- intense workout = less time, vice versa
- focus on endurance activities (biking, running) rather strength
- “easy” “anyone can do it”
- for kids, need more vigorous activity w/ less time (now 60min)
- fitness movement began in 1970s b/c before then, everything was done manually
- current practitioners don’t know how to prescribe exercise
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