Physical Activity and Health

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  • Physical Activity and Health
    • Health
      • Can be argumentative as not all of the population would fit into the typical criteria of this definition.
      • Health is not the absence of disease and can be adapted by many.
      • Health is a state of complete physical, mental and social wellbeing and not the merely the absence of disease of infirmity (WHO, 1948)
        • Exercise can reduce stress, anxiety and depression by increasing general well-being (Biddle, 2011)
      • Issues linked to energy expenditure
        • Sedentary behaviour
          • Study: Morris (1953) energy from bus drivers and conductors
            • Inactivity
        • Inactivity
        • Paffenbarger et al. (1986)
      • PA requirements
        • Adults: 150mins of moderate exercise or 75mins of vigorous activity and 2+ days of resistance training pw (WHO, 2010)
          • This is focused on maintaining health more than improving health
        • Children: 60mins of moderate-vigorous PA
        • Sleep
          • 8hrs per a night
          • PA can improve sleep time, how deep you are within the sleep, your less likely to feel sleepy during the day and you will be able to fall asleep quicker
    • Physical Activity
      • Movement of the body action of the muscles on skeleton
      • By raiding energy consumption above resting levels will help develop an individuals fitness-linked to improving a person's health
        • Blair (1993): being overweight does not necessarily mean you are not fit. Is BMI a useful tool to assess fitness?
      • Exercise
        • A form of PA which can be planned or structured
        • Helps improve health
        • Types: Aerobic, Anaerobic and resistance training
          • It is thought that exercise must be at a certain length to have health benefits such as increasing mental wellbeing and high-intensity exercise is not necessary to produce this (Landers & Arent, 2001)
      • Sports
        • Competitve form of PA
        • Do not all have the same type of capacity
    • NEAT
      • Non exercise activity thermogensis
      • For most people this is the biggest contributor in terms of energy expenditure
        • Modulated by changes in energy balance
      • Critical component in maintaining weight and restraining from obesity
        • Spontaneous activity is much better than non-spontaneous activity

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