Journal
JOURNAL OF SCIENCE AND MEDICINE IN SPORT
Volume 19, Issue 4, Pages 293-298Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jsams.2015.05.007
Keywords
Dementia; Physical exercise; Behavior; Activities of daily living
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Funding
- programme INCITE Conselleria de Industria Xunta de Galicia, Spain [09SEC001374PR]
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Objectives: Long-term interventions aimed at analyzing the impact of physical exercise on important health markers in institutionalized individuals with dementia are relatively scarce. This longitudinal study intends to identify the effects of a physical exercise program on cognitive decline, memory, depression, functional dependence and neuropsychiatric disturbances in institutionalized individuals with dementia. Design: Randomized controlled trial. Methods: Homecare residents with dementia were assigned to an exercise (EG) or to a control group (CG). Participants in the EG cycled for at least 15 min daily during 15 months, while those in the CG performed alternative sedentary recreational activities. The Mini-Mental State Examination (MEC), the Timed Up & Go Test, the Neuropsychiatric Inventory, the Katz Index, the Cornell Scale for Depression in Dementia and the Fuld Object Memory Evaluation were administered before and after the intervention. Results: Sixty-three individuals in the CG and 51 individuals in the EG completed the intervention. A statistically significant decline in cognitive function was observed in individuals included in the CG (p = 0.015), while a slight improvement was observed in those included in the EG. Significant improvement was observed in the neuropsychiatric symptoms (p = 0.020), memory function (p = 0.028) and functional mobility (p = 0.043) among those who exercised. Exercise seemed to have a greater effect in those suffering from severe cognitive impairment. Conclusions: This study provides evidence that aerobic physical exercise has a significant impact on improving cognitive functioning, behavior, and functional mobility in institutionalized individuals with dementia. (C) 2015 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.
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