Physical Activity and Health

Why is physical actvity important

56 Million deaths every year

60% due to chronic illness

50% of chronic disease deaths due to CV problems

228 million are predicted yto have diabetes by 2025

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Low levels of physical activity are linked with the development of all the leading causes of death via chronic disease

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Movement that leads to increase in energy expendature

Energy expendature = BMR (65%) + Thermic effect of food (10%) + PA

PA the easiest to change

Any movment - doesnt have to be running a marathon

Most guldelines suggest 'moderate' levels (70% of max heart rate)

80-95% of max heart rate = hard/very hard intensity

60-70% of mac heart rate = light to moderate intensity

intensity of expressed as percentage of max heart rate

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Low levels of physical activity assocaited with morbidity and mortality

Physical activity levels have reduced over time

Activity and fitness are both important

There is a complex relationship between activity and fitness

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