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Open AccessArticle

An Investigation of Limbs Exercise as a Treatment in Improving the Psychomotor Speed in Older Adults with Mild Cognitive Impairment

1
School of Humanities and Social Science, Chinese University of HK (Shenzhen), Shenzhen 518172, China
2
Department of Kinesiology, Texas A & M University, Texarkana, TX 75503, USA
3
Nursing Department of Medical College, Huzhou University, Huzhou 313000, China
4
Department of Traditional Sports, Beijing Sport University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Brain Sci. 2019, 9(10), 277; https://doi.org/10.3390/brainsci9100277
Received: 15 August 2019 / Revised: 11 October 2019 / Accepted: 14 October 2019 / Published: 16 October 2019
(This article belongs to the Special Issue Dementia and Cognitive Ageing)
Objectives: This study investigated the effects of therapeutic structured limb exercises intended to improve psychomotor speed in older adults with mild cognitive impairment (MCI). Methods: Forty-four patients with mild cognitive impairment who met the inclusion criteria were selected and assigned randomly to either an experimental group (22 patients) or a control group (22 patients). The numbers of participants were selected based on the calculated sample effect size (N = 38). The study involved a 10-week intervention, in which participants completed structured limb exercises during 60-min training sessions delivered three times per week. Forty-one subjects completed the experimental programme. Scores in the Finger Tapping Test (FTT), Purdue Pegboard Test (PPT) and Montreal Cognitive Assessment (MoCA), along with electroencephalography (EEG) data, were collected before, during and after the intervention. The experimental and control groups were compared using repeated measures analysis of variance. Results: The patients with MCI in the experimental group achieved significantly improved scores in the FTT, the PPT and all dimensions of the MoCA. Moreover, these patients exhibited significant increases in the alpha and beta EEG wave power values in all brain areas of MCI patients, indicating that limb exercise training positively influenced their brain functions. Conclusions: The results conclude that a structured therapeutic limb exercise intervention can effectively improve psychomotor speed in patients with MCI and mitigate declines in cognitive function. This training intervention appears to be effective as a treatment for community-dwelling patients with MCI. View Full-Text
Keywords: dementia and Alzheimer’s disease; mild cognitive impairment; psychomotor speed; limbs exercise dementia and Alzheimer’s disease; mild cognitive impairment; psychomotor speed; limbs exercise
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Jiang, H.; Chen, S.; Wang, L.; Liu, X. An Investigation of Limbs Exercise as a Treatment in Improving the Psychomotor Speed in Older Adults with Mild Cognitive Impairment. Brain Sci. 2019, 9, 277.

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