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Related Experiment Videos

Ambulatory computer system for recording and controlling locomotion.

Y Gahery1, E Allovon, C Blanc

  • 1C.N.R.S., Laboratoire de Neurosciences Fonctionnelles, U3, Marseille, France.

International Journal of Bio-Medical Computing
|December 1, 1988
PubMed
Summary

This study introduces a wearable computer system for gait analysis and biofeedback. It aids in locomotor learning and functional electrical stimulation for patients with movement disorders.

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Area of Science:

  • Biomedical Engineering
  • Rehabilitation Technology
  • Biomechanics

Background:

  • Locomotion analysis is crucial for diagnosing and treating movement disorders.
  • Current methods for gait analysis and biofeedback can be cumbersome.
  • Functional electrical stimulation (FES) requires precise timing within the locomotor cycle.

Purpose of the Study:

  • To develop and describe a novel miniature computer system for real-time biomechanical parameter recording during locomotion.
  • To enable auditory biofeedback for locomotor learning.
  • To facilitate triggered functional electrical stimulation (FES) synchronized with the locomotor cycle.

Main Methods:

  • A wearable miniature computer system was developed to record biomechanical data (e.g., knee angle, heel contact time).

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  • The system provides auditory signals for biofeedback and can trigger FES devices.
  • Stored data can be displayed or printed for analysis.

    • Main Results:

    • The system successfully recorded biomechanical parameters during locomotion.
    • Biofeedback training using auditory signals corrected knee hyperextension in hemiplegic patients.
    • The system demonstrated utility in triggering FES for therapeutic and research applications.

    Conclusions:

    • The developed system is a valuable tool for gait analysis, biofeedback-assisted locomotor training, and FES.
    • It offers potential for diverse applications in basic research and motor rehabilitation.
    • This technology can significantly advance the treatment of neurological and motor impairments.