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Clinical Trial
. 2017 Jan;21(1):58-62.
doi: 10.1016/j.jbmt.2016.05.001. Epub 2016 May 13.

Effect of Cognitive Task on Postural Control of the Patients With Chronic Ankle Instability During Single and Double Leg Standing

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Clinical Trial

Effect of Cognitive Task on Postural Control of the Patients With Chronic Ankle Instability During Single and Double Leg Standing

Zeinab Shiravi et al. J Bodyw Mov Ther. .

Abstract

Objective: The aim of this study was to investigate the effect of a cognitive task on standing postural control of the injured and non-injured leg of athletes with chronic ankle instability.

Methods: Postural stability was measured by center of pressure parameters while chronic ankle instability patients (n = 8) randomly performed single and double leg standing in isolation or concurrently with a digit-backward cognitive task.

Results: After performing a concurrent cognitive task, anteroposterior sway significantly decreased in injured leg (P < 0.05) and area significantly decreased in both injured and non-injured legs (P < 0.05). There was no significant difference in all center of pressure parameters between injured and non-injured legs.

Conclusion: The findings confirm the effect of a concurrent digit-backwards memory task on single leg standing balance in chronic ankle instability patients but the response to cognitive loading was not significantly different between the injured and non-injured legs.

Keywords: Chronic ankle instability; Cognitive task; Dual task; Postural control.

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