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Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
Published on: May 17, 2020
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Overestimation associated with walking and balance function in individuals diagnosed with a stroke
Katsuya Sakai1, Yuichiro Hosoi2,3, Yusuke Harada4,5
1Faculty of Healthcare Sciences, Chiba Prefectural University of Health Sciences, Chiba, Japan.
Physiotherapy Theory and Practice
|February 8, 2023
Summary
Overestimation of motor imagery time is linked to poorer physical function and balance in stroke survivors. This finding highlights potential targets for rehabilitation strategies in stroke recovery.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
- Motor Control
Background:
- Estimation error, the difference between imagined and actual motor time, is a known factor influencing physical function in healthy individuals.
- The relationship between overestimation (imagined time shorter than actual time) and physical function remains unclear in stroke survivors.
- Understanding this relationship is crucial for developing targeted interventions for post-stroke recovery.
Purpose of the Study:
- To investigate the association between overestimation of motor imagery time and physical function in individuals diagnosed with stroke.
- To compare physical function metrics between groups with appropriate estimation and overestimation of motor time.
Main Methods:
- Seventy-one stroke survivors participated, undergoing the Imagined Timed Up and Go Test (iTUGT) followed by the standard Timed Up and Go Test (TUGT).
- Estimation error was calculated, and participants were categorized into appropriate estimation (AE) and overestimation (OE) groups based on standard deviations.
- Correlation analyses were performed on estimation error, iTUGT, TUGT, Berg Balance Scale (BBS), and Brunnstrom Recovery Stage (BRS) scores.
Main Results:
- The overestimation group exhibited significantly greater estimation error compared to the appropriate estimation group.
- Individuals in the overestimation group demonstrated significantly poorer performance on the TUGT and lower scores on the BBS.
- Estimation error showed significant correlations with TUGT performance, balance (BBS), and lower-limb motor recovery (BRS).
Conclusions:
- Overestimation of motor imagery time is significantly associated with reduced physical function, specifically in TUGT performance and balance, among stroke survivors.
- These findings suggest that altered time perception may reflect underlying motor and balance deficits post-stroke.
- The study underscores the potential of addressing temporal estimation in rehabilitation strategies for stroke patients.
