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Related Experiment Videos

Dynamic locomotor function in normals and patients with vertigo.

K Ishikawa1, Z W Cao, Y Wang

  • 1Department of Otorhinolaryngology, Akita University, School of Medicine, Hondo, Japan. ishioto@med.akita-u.ac.jp

Acta Oto-Laryngologica
|May 15, 2001
PubMed
Summary

Gait analysis using tactile sensors revealed significant stability issues in patients with vestibular disorders. Spino-cerebellar degeneration (SCD) showed the most pronounced gait abnormalities, impacting balance and foot pressure distribution.

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Area of Science:

  • Neuroscience
  • Biomechanics
  • Clinical Neurology

Background:

  • Vestibular system disorders significantly impact gait and balance.
  • Objective assessment of gait abnormalities in neurological conditions is crucial.
  • Tactile sensor technology offers a novel approach to gait analysis.

Purpose of the Study:

  • To evaluate gait stability in patients with vestibular neuronitis, acoustic neuroma, and spino-cerebellar degeneration (SCD) using tactile sensors.
  • To investigate the effects of visual deprivation on gait parameters in these patient groups.
  • To correlate gait analysis findings with the underlying neurological conditions.

Main Methods:

  • Gait analysis was performed on patients with vestibular neuronitis, large acoustic neuroma, and SCD, along with normal controls.

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  • Tactile sensors were used to measure gait phase parameters (stance, swing, double support).
  • Center of force trajectories and foot pressure progression were analyzed, with and without visual input.

    • Main Results:

    • Pathological gait parameters were elevated in all patient groups compared to controls, with the highest values in the SCD group.
    • Visual deprivation most significantly affected gait stability in the large acoustic neuroma group.
    • Unilateral lesions (vestibular neuronitis, acoustic neuroma) showed increased foot pressure on the affected side, especially with eyes closed.
    • The SCD group exhibited the most irregular foot pressure progression patterns.

    Conclusions:

    • Gait analysis with tactile sensors effectively detects functional disorders in the gait control system caused by vestibular and neurological diseases.
    • Specific gait abnormalities correlate with different pathological conditions, aiding in differential diagnosis.
    • The findings highlight the utility of objective gait analysis in understanding and managing patients with vestibular and cerebellar disorders.