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Revista Portuguesa de Ciências do Desporto
Article . 2008 . Peer-reviewed
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A fadiga muscular diminui a sensação de posição do ombro em andebolistas

Authors: Ribeiro,Fernando; Gonçalves,Gisela; Venâncio,João; Oliveira,José;

A fadiga muscular diminui a sensação de posição do ombro em andebolistas

Abstract

RESUMO Diversos estudos evidenciam que a fadiga muscular local diminui a propriocepcao articular. Contudo, poucos estudos investigaram o efeito de protocolos funcionais, nos quais o exercicio realizado se aproxima das exigencias da actividade desportiva. O objectivo do presente estudo consistiu na avaliacao, em andebolistas, do efeito da fadiga muscular local aguda induzida por exercicio envolvendo a habilidade especifica de remate em apoio na sensacao de posicao do ombro. A amostra foi constituida por 24 atletas do sexo masculino. A sensacao de posicao do ombro foi avaliada, antes e imediatamente apos exercicio, atraves da tecnica de reposicionamento activo de uma posicao passivamente determinada e foi reportada usando como indicadores o erro angular absoluto, o erro relativo, e o erro variavel. O protocolo de exercicio para induzir fadiga consistiu na execucao de remates de sete metros, em apoio, a velocidade maxima. Os atletas terminavam o exercicio quando reportavam um valor ?15 na Escala de Borg. Os atletas testados realizaram em media 59.96±12.97 remates excedendo o valor 15 (16.9±0.68) da Escala de Borg. Apos exercicio, o erro angular absoluto aumentou (2.53±1.10 vs 3.46±1.64; p=0.03) e diminuiu a fiabilidade das tentativas de reposicionamento, como o demonstra o aumento do erro variavel em 37.7%. Os resultados do presente estudo indicam que a fadiga muscular induzida por exercicio envolvendo a habilidade especifica de remate tem efeitos deleterios na sensacao de posicao do ombro de andebolistas.

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Portugal
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Keywords

Other medical sciences, fadiga muscular local, sensação de posição articular, Outras ciências médicas, andebol, Ciências médicas e da saúde::Outras ciências médicas, Medical and Health sciences::Other medical sciences

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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!
1
Average
Average
Average
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