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Changes in pulmonary function response to a 10-week controlled exercise program in sedentary elderly adults
Guoyuan Huang1, Wayne H Osness
1University of Southern Indiana, Evansville 47712, USA. ghuang@usi.edu
Perceptual and Motor Skills
|June 25, 2005
Summary
Aerobic exercise programs can improve pulmonary function in elderly individuals over 75. Moderate and high-intensity training significantly enhanced lung capacity, suggesting a dose-response relationship for exercise benefits.
Area of Science:
- Gerontology
- Exercise Physiology
- Pulmonary Medicine
Background:
- Sedentary elderly individuals often experience age-related decline in pulmonary function.
- Maintaining respiratory health is crucial for the quality of life and independence in older adults.
Purpose of the Study:
- To evaluate the impact of a 10-week controlled aerobic exercise program on pulmonary function in sedentary elderly individuals aged 75 and above.
- To compare the effects of moderate-intensity versus high-intensity aerobic exercise on lung capacity.
Main Methods:
- A randomized clinical trial involving 45 participants (mean age 83.7 years) assigned to a control group, a moderate-intensity aerobic exercise group, or a high-intensity aerobic exercise group.
- Participants engaged in 40-minute exercise sessions, 3 days per week, for 10 weeks.
- Pulmonary function was assessed by measuring Forced Vital Capacity (FVC) and Forced Expiratory Volume in 1 second (FEV1.0) before and after the intervention.
Main Results:
- The moderate-intensity group showed a significant mean change in FVC.
- The high-intensity group demonstrated significant improvements in both FVC and FEV1.0.
- No significant changes in pulmonary function were observed in the control group.
Conclusions:
- A 10-week aerobic training program of moderate or high intensity positively impacts pulmonary function in elderly individuals over 75.
- The observed exercise-induced improvements in lung function may be related to the intensity and duration of the training, suggesting a potential dose-response effect.