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Multiple-modality exercise and mind-motor training to improve mobility in older adults: A randomized controlled trial
Narlon C Boa Sorte Silva1, Dawn P Gill2, Michael A Gregory3
1School of Kinesiology, Faculty of Health Sciences, Western University, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada.
Experimental Gerontology
|December 21, 2017
Summary
Multiple-modality exercise (M2) improved mobility in older adults more than M2 with added mind-motor training (M4). The M2 group showed sustained gains, while M4 had no significant mobility benefits.
Area of Science:
- Gerontology
- Exercise Science
- Cognitive Health
Background:
- Older adults with subjective cognitive complaints often experience mobility decline.
- Exercise interventions are crucial for maintaining mobility and independence in aging populations.
- The role of combined physical and cognitive training on mobility requires further investigation.
Purpose of the Study:
- To compare the effects of multiple-modality exercise (M2) versus M2 with additional mind-motor training (M4) on mobility in older adults with subjective cognitive complaints.
- To assess the long-term impact of these interventions on gait and cognitive-motor performance.
- To determine if mind-motor training enhances mobility outcomes beyond standard exercise.
Main Methods:
- A 24-week randomized controlled trial involving 127 community-dwelling older adults.
- Participants were assigned to either M2 (exercise only) or M4 (exercise plus mind-motor training).
- Outcomes included usual and dual-task gait parameters and cognitive accuracy, assessed at baseline, 24 weeks, and 52 weeks.
Main Results:
- At 24 weeks, the M2 group showed greater improvements in usual gait velocity, step length, and dual-task gait velocity compared to the M4 group.
- No significant changes in dual-task cognitive accuracy were observed in either group at 24 weeks.
- At 52 weeks, the M2 group maintained gait improvements, while the M4 group showed a trend towards improved dual-task cognitive accuracy.
Conclusions:
- Additional mind-motor training (M4) did not enhance mobility outcomes in older adults with subjective cognitive complaints compared to multiple-modality exercise alone (M2).
- The M2 intervention resulted in greater and more sustained improvements in gait velocity and step length.
- Findings suggest that standard multiple-modality exercise may be more effective for improving mobility in this population than incorporating additional mind-motor training.
