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Ann Geriatr Med Res > Volume 21(1); 2017 > Article
Annals of Geriatric Medicine and Research 2017;21(1):17-23.
DOI: https://doi.org/10.4235/agmr.2017.21.1.17    Published online March 31, 2017.
Responsiveness of Gait Speed to Physical Exercise Interventions in At-risk Older Adults: A Systematic Review and Meta-Analysis
Jaehyun Lim, Jae Young Lim
1Department of Medicine, Seoul National University of College of Medicine, Seoul, Korea.
2Department of Rehabilitation Medicine, Seoul National University Bundang Hospital, Seongnam, Korea. drlim1@snu.ac.kr
Correspondence:  Jae Young Lim, Tel: +82-31-787-7739, Fax: +82-31-787-4056, 
Email: drlim1@snu.ac.kr
Abstract
BACKGROUND
In at-risk older adults, gait speed is an important factor associated with quality of life and falling risk. In this study, we assessed whether therapeutic exercise could improve gait speed.
METHODS
We conducted a meta-analysis to evaluate the ‘best’ therapeutic exercise method by analyzing each exercise in terms of intensity, type, and several gait speed indices. For the analysis, we gathered 122 papers through a database search and selected 9 (n=627) that were appropriate for the meta-analysis.
RESULTS
In 8 of the 9 included papers, gait speed improved with therapeutic exercise. Usual gait speed (n=246) improved more than maximal gait speed (n=574). A resistance program was more effective than a nonresistance program for improving maximal, but not usual, gait speed. We also found that the effects of therapeutic exercise were greater in noncommunity than in community-dwelling elderly people.
CONCLUSION
In conclusion, therapeutic exercise was effective in improving gait speed.
Key Words: Frail elderly, Gait, Exercise therapy, Resistance training, Meta-analysis


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