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Original Article
Dementia and Neurocognitive Disorders 2023: 22: 4: 139-147

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Correlation Between Executive Function and Walk While Crossing Over an Obstacle Under Different Gait Phases
Seung Min Lee , 1 Han Suk Lee 2
1 Department of Physical Therapy, COMWEL Donghae Hospital, Donghae, Korea 2 Department of Physical Therapy, Eulji University, Seongnam, Korea
Correlation Between Executive Function and Walk While Crossing Over an Obstacle Under Different Gait Phases
Seung Min Lee , 1 Han Suk Lee 2
1 Department of Physical Therapy, COMWEL Donghae Hospital, Donghae, Korea 2 Department of Physical Therapy, Eulji University, Seongnam, Korea
Background and Purpose: Dual walking task such as crossing over an obstacle may serve as
an excellent tool for predicting early cognitive decline. Thus, this study aimed to investigate
correlation between walking while crossing over an obstacle and executive functions under
different gait phases to validate the use of walking with an obstacle for predicting early
cognitive decline.
Methods: A cross-sectional study was conducted on 48 elderly individuals from 2 day-care
centers and 3 welfare-centers in Seoul and Gyeonggi, Korea. Executive function tests (Trail
Making Test, Stroop test) and dual walking tests (gait speed, cadence, stance time, gait cycle
time) were performed and compared using partial correlation analysis.
Results: There were significant correlations between executive function and most of the gait
variables (stance time, cadence, and gait cycle time) (p<0.05) when crossing over an obstacle
while walking. Especially, stance time exhibited significant correlations with most executive
functions (p<0.05).
Conclusions: When evaluating executive function during walking with an obstacle, postobstacle-crossing phase and stance time need to be observed.
Key Words: Walking; Elderly; Executive Function; Cognitive Dysfunction
대한치매학회지 (Dementia and Neurocognitive Disorders)