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Physical activity in aging: changes in patterns and their relationship to health and function
1The John B. Pierce Laboratory and the Department of Epidemiology & Public Health, Yale University School of Medicine, New Haven, Connecticut 06519, USA. ldipietro@jbpierce.org
Summary
Older adults can reduce chronic disease risks by engaging in moderate physical activity, like walking or gardening, for 30 minutes daily. This promotes health and function, even without intense fitness gains.
Area of Science:
- Gerontology
- Public Health
- Exercise Science
Background:
- Sedentary behavior is a significant risk factor for morbidity and mortality in aging populations.
- Limited data exists on the specific physical activity types and amounts optimal for older adults' health and function.
Purpose of the Study:
- To review changes in habitual physical activity patterns during aging.
- To examine the relationship between these activity changes, physical function, and chronic diseases in older adults.
Main Methods:
- Literature review of large population-based studies focusing on physical activity in older adults.
Main Results:
- Moderate physical activity shows protective effects against certain chronic diseases in older individuals.
- Health benefits can be achieved independently of fitness improvements from vigorous activity.
- Regular moderate-intensity activities (e.g., walking, gardening) for 30 minutes/day increase energy expenditure and maintain muscle strength.
Conclusions:
- Encourage regular moderate-intensity physical activity in older adults to enhance health and function.
- Public policy should support initiatives increasing volitional and lifestyle activity, alongside accessible community programs for all ages.