Dual-Task Complexity Affects Gait in People With Mild Cognitive Impairment: The Interplay Between Gait Variability, Dual Tasking, and Risk of Falls Manuel.

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Dual-Task Complexity Affects Gait in People With Mild Cognitive Impairment: The Interplay Between Gait Variability, Dual Tasking, and Risk of Falls Manuel Montero-Odasso, MD, PhD, Susan W. Muir, PhD, Mark Speechley, PhD Archives of Physical Medicine and Rehabilitation Volume 93, Issue 2, Pages 293-299 (February 2012) DOI: 10.1016/j.apmr.2011.08.026 Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

Fig 1 Mean gait velocity, with SDs, in participants with MCI (n=43) and normal cognition (n=25) while performing a usual walking task and 2 dual-task walking conditions. Archives of Physical Medicine and Rehabilitation 2012 93, 293-299DOI: (10.1016/j.apmr.2011.08.026) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

Fig 2 Mean gait variability in older adults with MCI (n=43) and normal cognition (n=25) while performing a usual walking task and 2 dual-task walking conditions. Abbreviation: % CoV, percent coefficient of variation in stride time. Archives of Physical Medicine and Rehabilitation 2012 93, 293-299DOI: (10.1016/j.apmr.2011.08.026) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

Fig 3 Interaction between cognitive status and 3 different walking conditions for gait velocity (A) and gait variability (B). Abbreviation: % CoV, percent coefficient of variation in stride time. Archives of Physical Medicine and Rehabilitation 2012 93, 293-299DOI: (10.1016/j.apmr.2011.08.026) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

Fig 4 Effect of complex dual-task load (serials subtractions by 7s) in stride time in a participant with normal cognition (A) compared with a participant with MCI (B). Archives of Physical Medicine and Rehabilitation 2012 93, 293-299DOI: (10.1016/j.apmr.2011.08.026) Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions