Document Detail

Does a multicomponent exercise program improve dual-task performance in amnestic mild cognitive impairment? A randomized controlled trial.
MedLine Citation:
PMID:  23211228     Owner:  NLM     Status:  Publisher    
Background and aims: There has been much interest in exercise interventions as a primary behavioral prevention strategy against cognitive decline. The aim of this study was to evaluate the effect of a multicomponent exercise program on physical and dualtask performances in community-dwelling older adults with amnestic mild cognitive impairment (aMCI). Methods: Fifty older adults (23 women) with aMCI (mean age, 76 years) were randomized to an intervention (n = 25) or a control group (n = 25). The intervention group received a multicomponent exercise program for 90 minutes/day, 2 days/week, or 40 times over six months. The multicomponent exercises included aerobic exercise, muscle strength training and postural balance retraining, which was conducted under multi-task conditions to stimulate attention and memory. Participants in the control group attended two health promotion education classes within six months. Physical and dual-task performances were measured before randomization and after six months. Dual-task performances using reaction times with balance and cognitive demands conditions were measured. Results: The improvement effects on dual-task performances with both balance and cognitive demands were not statistically significant: reaction time with balance demand (F 1,45 = 3.3, P = 0.07) and cognitive demand (F 1,45 = 2.6, P = 0.12). However, there was a significant group-by-time interaction on maximal walking speed, which decreased significantly in the control group (F 1,45 = 5.9, P = 0.02). Conclusion: This six-month multicomponent exercise program improved maximal walking speed in older adults with aMCI; however, it did not improve dual-task performances assessed by reaction times.
Hyuma Makizako; Takehiko Doi; Hiroyuki Shimada; Daisuke Yoshida; Kota Tsutsumimoto; Kazuki Uemura; Takao Suzuki
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-26
Journal Detail:
Title:  Aging clinical and experimental research     Volume:  -     ISSN:  1720-8319     ISO Abbreviation:  Aging Clin Exp Res     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-12-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101132995     Medline TA:  Aging Clin Exp Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Section for Health Promotion, Department for Research and Development to Support Independent Life of Elderly, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Aichi, Japan.
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