Alternate rhythmic vibratory stimulation of trunk muscles affects walking cadence and velocity in Parkinson's disease

Alessandro M. De Nunzio, Margherita Grasso, Antonio Nardone, Marco Godi, Marco Schieppati

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Objective: During the administration of timed bilateral alternate vibration to homonymous leg or trunk muscles during quiet upright stance, Parkinsonian (PD) patients undergo cyclic antero-posterior and medio-lateral transfers of the centre of foot pressure. This event might be potentially exploited for improving gait in these patients. Here, we tested this hypothesis by applying alternate muscle vibration during walking in PD. Methods: Fifteen patients and 15 healthy subjects walked on an instrumented walkway under four conditions: no vibration (no-Vib), and vibration of tibialis anterior (TA-Vib), soleus (Sol-Vib) and erector spinae (ES-Vib) muscles of both sides. Trains of vibration (internal frequency 100 Hz) were delivered to right and left side at alternating frequency of 10% above preferred step cadence. Results: During vibration, stride length, cadence and velocity increased in both patients and healthy subjects, significantly so for ES-Vib. Stance and swing time tended to decrease. Width of support base increased with Sol-Vib or TA-Vib, but was unaffected by ES-Vib. Conclusions: Alternate ES vibration enhances gait velocity in PD. The stronger effect of ES over leg muscle vibration might depend on the relevance of the proprioceptive inflow from the trunk muscles and on the absence of adverse effects on the support base width. Significance: Trunk control is defective in PD. The effect of timed vibratory stimulation on gait suggests the potential use of trunk proprioceptive stimulation for tuning the central pattern generators for locomotion in PD.

Original languageEnglish
Pages (from-to)240-247
Number of pages8
JournalClinical Neurophysiology
Volume121
Issue number2
DOIs
Publication statusPublished - Feb 2010

Fingerprint

Vibration
Walking
Parkinson Disease
Muscles
Gait
Polymethyl Methacrylate
Leg
Healthy Volunteers
Central Pattern Generators
Locomotion
Foot
Pressure

Keywords

  • Alternate muscle vibration
  • Cadence
  • Gait
  • Parkinson's disease
  • Velocity

ASJC Scopus subject areas

  • Clinical Neurology
  • Physiology (medical)
  • Neurology
  • Sensory Systems

Cite this

Alternate rhythmic vibratory stimulation of trunk muscles affects walking cadence and velocity in Parkinson's disease. / De Nunzio, Alessandro M.; Grasso, Margherita; Nardone, Antonio; Godi, Marco; Schieppati, Marco.

In: Clinical Neurophysiology, Vol. 121, No. 2, 02.2010, p. 240-247.

Research output: Contribution to journalArticle

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