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Relearning functional and symmetric walking after stroke using a wearable device: a feasibility study
Seok Hun Kim1, David E Huizenga2, Ismet Handzic2,3
1University of South Florida, School of Physical Therapy and Rehabilitation Sciences, Tampa, FL, USA.
Journal of Neuroengineering and Rehabilitation
|August 29, 2019
Summary
This study introduces a novel wearable foot device to improve walking after stroke. The device demonstrated improvements in gait symmetry and functional walking in chronic stroke survivors.
Area of Science:
- Neurorehabilitation
- Biomechanics
- Assistive Technology
Background:
- Gait impairment, characterized by hemiparetic or asymmetric walking patterns, is a common post-stroke deficit.
- Asymmetric gait is linked to reduced walking speed, efficiency, and increased fall risk.
Purpose of the Study:
- To evaluate an innovative wearable foot device designed to decrease gait asymmetry in individuals with chronic stroke.
- To assess the device's impact on functional walking outcomes.
Main Methods:
- Six participants with chronic stroke (over 1 year post-stroke) underwent 4 weeks of gait training.
- Training involved 30-minute sessions, 3 times per week, using the wearable device for over-ground walking.
- Gait symmetry and functional walking were measured pre- and post-intervention.
Main Results:
- All participants showed improved step length symmetry; 4/6 improved double limb support symmetry.
- All participants improved gait velocity, Timed Up and Go, and 6-Minute Walk Test scores.
- Five participants exceeded minimal detectable/meaningful change in at least one functional outcome.
Conclusions:
- The wearable foot device shows promise for improving post-stroke walking ability.
- This technology may support extended, continuous gait rehabilitation outside clinical settings.
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