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Related Experiment Videos

[Vibration after effect during human walking].

G Courtine1, T Pozzo, M Schieppati

  • 1Groupe d'Analyse du Mouvement (G.A.M.), Université de Bourgogne, France. gregoire.courtine@u-bourgogne.fr

Journal De La Societe De Biologie
|April 10, 2002
PubMed
Summary
This summary is machine-generated.

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Muscular vibration after-effects persist during human walking, altering step frequency and stride length. The nervous system adapts to these changes, suggesting proprioception

Area of Science:

  • Human locomotion
  • Neuroscience
  • Biomechanics

Context:

  • Investigating the persistence of muscular vibration effects after stimulation cessation.
  • Examining the adaptation of human gait following Achilles' tendon vibration.
  • Understanding the role of proprioception in motor control.

Purpose:

  • To study the extinction of vibration-induced after-effects during human walking.
  • To analyze changes in gait parameters (step frequency, stride length) after vibration.
  • To explore the contribution of muscular proprioceptive input to locomotor rhythm regulation.

Summary:

  • Bilateral Achilles' tendon vibration (70 Hz) was applied to six subjects during a six-step locomotor task.
  • Vibration led to increased step frequency (shorter stance phase) and a tendency for decreased stride length.

Related Experiment Videos

  • Gait parameters normalized with repetitions, indicating adaptation and persistence of vibration effects.

    • Impact:

    • Demonstrates that vibration-induced neuromuscular effects can persist beyond the stimulation period.
    • Suggests that muscular proprioceptive input plays a role in maintaining and regulating locomotor patterns.
    • Provides insights into the neural mechanisms underlying gait adaptation and motor control after sensory perturbation.