1. 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 (February 2012)
DOI: /j.apmr
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

2. 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  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

3. 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  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

4. 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  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions

5. 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  , DOI: ( /j.apmr )
Copyright © 2012 American Congress of Rehabilitation Medicine Terms and Conditions