MovDisordV3, Main, Exploration, bibRecord, 003729

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

Identifieur interne : 003729 ( Main/Exploration ); précédent : 003728; suivant : 003730

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 ] ; 2005-07.

RBID : ISTEX:5E37FD5B9364F6B1A0DE425098CECF0EF864A22C

Descripteurs français

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

English descriptors

KwdEn :
- Adult, Aged, Ankle Joint (physiopathology), Electromyography (methods), Female, Gait (physiology), H-Reflex, H-Reflex (physiology), Humans, H‐reflex, Male, Middle Aged, Muscle, Skeletal (physiopathology), Nervous system diseases, Neural Inhibition (physiology), Parkinson Disease (physiopathology), Parkinson disease, Parkinson's disease, Reciprocal inhibition, Time Factors, gait initiation, reciprocal inhibition, start hesitation.
MESH :
- methods : Electromyography.
- physiology : Gait, H-Reflex, Neural Inhibition.
- physiopathology : Ankle Joint, Muscle, Skeletal, Parkinson Disease.
- Adult, Aged, Female, Humans, Male, Middle Aged, Time Factors.

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. © 2005 Movement Disorder Society

Url:

https://api.istex.fr/document/5E37FD5B9364F6B1A0DE425098CECF0EF864A22C/fulltext/pdf

DOI: 10.1002/mds.20448

Affiliations:

Japon

Le document en format XML

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<front><div type="abstract" xml:lang="en">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. © 2005 Movement Disorder Society</div>
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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...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Movement Disorders (revue)
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