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Related Experiment Videos

Multicenter evaluation of electrical stimulation systems for walking.

M Wieler1, R B Stein, M Ladouceur

  • 1Division of Neuroscience, University of Alberta, Edmonton, Canada.

Archives of Physical Medicine and Rehabilitation
|May 18, 1999
PubMed
Summary

Noninvasive functional electrical stimulation (FES) systems significantly improved walking speed and were well-accepted by individuals with spinal cord injury and cerebral damage. These findings suggest FES has a promising role in treating gait disorders.

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Area of Science:

  • Neuroscience
  • Rehabilitation Medicine
  • Biomedical Engineering

Background:

  • Gait disorders significantly impact mobility and quality of life.
  • Functional electrical stimulation (FES) offers a noninvasive approach to address motor impairments.

Purpose of the Study:

  • To evaluate the long-term efficacy and user acceptance of noninvasive functional electrical stimulation (FES) systems for improving walking.
  • To assess the impact of FES on gait parameters in individuals with neurological conditions.

Main Methods:

  • A longitudinal study involving 40 participants with spinal cord injury (n=31) or cerebral damage (n=9) over an average of 1 year.
  • Participants used FES systems in community settings, with gait parameters (speed, cycle time, stride length) assessed in clinical settings.

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  • A within-subject design was employed, with participants serving as their own controls to isolate the effects of FES.

    • Main Results:

    • Significant improvements in walking speed were observed, with an average increase of over 45% from baseline.
    • The most substantial gains in walking speed were noted in individuals with the slowest initial walking speeds (<0.3 m/sec).
    • User acceptance of the FES systems was high, and participant feedback contributed to system improvements.

    Conclusions:

    • Noninvasive FES systems demonstrate considerable long-term benefits for individuals with gait disorders.
    • The observed improvements in walking speed and high user acceptance suggest a significant potential for FES in rehabilitation.
    • Further integration of FES technology is recommended to enhance functional mobility and treat a wider range of gait impairments.