MovDisordV3, PascalFrancis, Checkpoint, bibRecord, 001D14

Soleus H-reflex inhibition during gait initiation in Parkinson's disease

Identifieur interne : 001D14 ( PascalFrancis/Checkpoint ); précédent : 001D13; suivant : 001D15

Soleus H-reflex inhibition during gait initiation in Parkinson's disease

Auteurs : Koichi Hiraoka [Japon] ; Yoshimi Matsuo [Japon] ; Kazuo Abe [Japon]

Source :

Movement disorders [ 0885-3185 ] ; 2005.

RBID : Pascal:05-0388547

Descripteurs français

Pascal (Inist)
- Système nerveux pathologie, Parkinson maladie, Réflexe H, Inhibition réciproque.

English descriptors

KwdEn :
- H-Reflex, Nervous system diseases, Parkinson disease, Reciprocal inhibition.

Abstract

The soleus H-reflex excitability during gait initiation was investigated in Parkinson's disease. Eleven patients participated in this study. Patients stepped forward as soon as the start signal flashed. Soleus H-reflex was evoked from the trailing leg 100, 300, or 600 msec after the start signal. The electromyographic activity in the soleus muscle immediately before evoking the H-reflex and the ankle joint motion were recorded. The soleus H-reflex was inhibited 300 msec after the start signal. The amount of the soleus H-reflex inhibition was inversely correlated with the Hoehn and Yahr stage; Items 14, 29, and 31 of the Unified Parkinson's Disease Rating Scale; and the delay of the onset of the ankle dorsiflexion from the start signal. In contrast, the amount of electromyographic activity immediately before evoking the H-reflex was not significantly correlated with those measures but was significantly correlated with Item 22 of the Unified Parkinson's Disease Rating Scale. Those findings indicate that the amount of soleus H-reflex inhibition during gait initiation depends on the severity of the disease. Abnormality of descending command may be related to the severity-dependent H-reflex inhibition.

Affiliations:

Japon

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Le document en format XML

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	Movement Disorders (revue)
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Movement Disorders (revue)

Soleus H-reflex inhibition during gait initiation in Parkinson's disease

Soleus H-reflex inhibition during gait initiation in Parkinson's disease

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri