Green Exercise:The benefits of walking and exercising in nature.
Dr. Ademola AdejuwonConsultant in Sports and Exercise Medicine
University College Hospital LondonInstitute of Sports, Exercise and Health
• Highlight the importance of physical activity.
• Why walking is an ideal form of exercise.
• The health benefits of being active in nature.
WHO - Global Health Risks 2009
• Regular physical activity at the correct intensity:
– Reduces the risk of heart disease by 35%– Lowers the risk of stroke by 30%– Reduces the incidence of diabetes by up to 50%– Reduces the incidence of high blood pressure, by almost 50%– Can reduce mortality and the risk of recurrent breast cancer by
almost 20%– Can lower the risk of colon cancer by over 30-50% – Can reduce the risk of developing of Alzheimer’s disease by 40-45% – Can decrease depression by 20-30% (as effective as Prozac or CBT)– Reduce/delay onset and severity of sarcopenia
Health benefits of physical activity
Church TS et al. Arch Int Med 2005;165:2114–20
Risk of cardiovascular disease mortality by cardiorespiratory fitness and body mass index
categories.
“Walking is man’s best medicine”- Hippocrates
•Low impact, accessible,
acceptable, low cost
•Anywhere and anytime
•No specialist training or
equipment required
•Low risk of injury
•Sociable
Walking is ExerciseExercise is Medicine
“Vitamin N”
Nurture with Nature
Physical activity Exposure to nature
Green exercise
Regular exercise in natural environments halves risk of poor mental health. (n=1890)
- Mitchell, 2013
Pretty, Peacock, Sellens and Griffin (2005)
Additional benefits of walking outside
• Appreciation of nature/environment
• Vitamin D
• Role model effect
Summary
• Walking is an acceptable form of exercise conferring all the benefits physical activity.
• Walking outdoors has a 50% greater effect on mental health, well being and mood compared to exercising indoors.
• The effect of exercising and being outdoors appears to be synergistic.
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