Desempenho muscular isocinético dos ombros em atletas de rúgbi

Autores

  • Gerson Saciloto Tadiello
  • Luiza Helena Brandelli A. dos Santos
  • Taise Andreis Scopel
  • Bruno Soldatelli Zardo
  • Vinícius Mazzochi Schmitt
  • Leandro Viçosa Bonetti Universidade de Caxias do Sul

DOI:

https://doi.org/10.15448/1980-6108.2017.2.26555

Palavras-chave:

força muscular, ombro, atletas, rúgbi.

Resumo

*** Desempenho muscular isocinético dos ombros em atletas de rúgbi ***

OBJETIVOS: Verificar a existência de assimetrias dos músculos rotadores externos e internos entre os dois ombros, em atletas amadores de rúgbi do gênero masculino.

MÉTODOS: Avaliações isocinéticas de atletas amadores do rúgbi masculino foram acessadas a partir do banco de dados do Instituto de Medicina do Esporte e Ciências Aplicadas ao Movimento Humano da Universidade de Caxias do Sul (IME-UCS). Foram incluídas as avaliações do ombro e excluídos os casos sem assinatura do Termo de Consentimento Livre e Esclarecido Institucional do IME-UCS prévia ao teste. O dinamômetro isocinético foi utilizado no modo concêntrico-concêntrico para os rotadores externos e internos dos músculos dos ombros nas velocidades angulares de 60°/s e 180°/s. Foram analisados os valores do pico de torque e da razão rotadores externos/internos dos ombros desses atletas. Para verificar a existência de assimetrias entre os dois lados do mesmo indivíduo, foi utilizado o teste T de Student e considerado o nível de significância de <0,05.

RESULTADOS: Foram analisados os dados de 12 atletas homens. Na análise do pico de torque na velocidade angular de 60º/s, os valores médios da musculatura do membro dominante apresentaram-se significativamente superiores quando comparados ao não dominante: rotadores externos, 43,35±4,72 Nm no membro dominante versus 38,92±4,22 Nm no membro não dominante (p=0,0012); rotadores internos, 65,58±11,88 Nm no membro dominante versus 61,69±11,98 Nm no membro não dominante (p=0,0021). A 180º/s, os valores médios do membro não dominante apresentaram uma tendência a valores inferiores quando comparado ao membro dominante, mas sem significância estatística. Com relação aos valores médios da razão rotadores externos/internos, não foram encontradas diferenças estatisticamente significativa em nenhuma das velocidades angulares analisadas.

CONCLUSÕES: Os atletas amadores de rúgbi apresentaram um desempenho muscular inferior do membro não dominante quando comparado ao membro dominante na análise do pico de torque. Essa diferença não havia sido encontrada nos demais estudos com atletas de rúgbi e acreditamos que este resultado se justifique pela falta de treinamentos mais frequentes e adequados desses atletas amadores.

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Publicado

2017-05-30

Como Citar

Tadiello, G. S., A. dos Santos, L. H. B., Scopel, T. A., Zardo, B. S., Schmitt, V. M., & Bonetti, L. V. (2017). Desempenho muscular isocinético dos ombros em atletas de rúgbi. Scientia Medica, 27(2), ID26555. https://doi.org/10.15448/1980-6108.2017.2.26555

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