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Revista Neurociências
Article . 2001 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Revista Neurociências
Article
License: CC BY
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Estímulo vibracional na espasticidade

Authors: Eddy Krueger Beck; Guilherme Nunes Nogueira Neto; Percy Nohama;

Estímulo vibracional na espasticidade

Abstract

A espasticidade é um distúrbio neurológico proveniente da lesão de um neurônio motor superior e da desorganização dos circuitos neurais da medula espinhal, que acarreta alterações sensório-motoras de graduações variadas. Técnicas farmacológicas, fisioterápicas e cirúrgicas são utilizadas para reduzir a espasticidade. Os objetivos deste artigo são apresentar e discutir a viabilidade de utilizar estímulos vibracionais no tratamento fisioterápico. Ondas oscilatórias geradas por estímulos vibracionais aplicados ao paciente são captadas por receptores periféricos causando ilusão de movimento. A plasticidade neural é evocada por estímulos físicos, como o movimento da perna, ou artificialmente, com estimulação elétrica funcional. Aplicando-se estímulo vibracional sobre orgão tendinoso de Golgi e utilizando-se de análise por imagem, pesquisadores obtiveram ativação de diversas regiões cerebrais, corroborando a hipótese de que o estímulo vibracional é eficaz nos distúrbios de movimento de origem neurológica. Os parâmetros ajustados para proporcionar ilusão de movimento encontrados na literatura são: frequência entre 1 e 140 Hz; força entre 0,5 e 9 N; e amplitude de 0,005 a 2 mm. Da pesquisa realizada, conclui-se que a vibração sobre receptores sensoriais acarreta em ativação cortical e esporadicamente na ativação motora agonista ou antagonista. Do ponto de vista clínico, o estímulo vibracional mostra-se eficaz no tratamento da espasticidade.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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