Efeito agudo da suplementação de cafeína no desempenho neuromuscular e na capacidade de sprints repetidos em jogadores de rugby em cadeira de rodas: um estudo de caso

Autores

  • Irene Parada-Rivera Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0009-0003-8401-2438
  • Jordi Sánchez-Grau Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0000-0002-8011-4301
  • Pau Ferrer-Ramos Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0000-0002-1163-2113
  • Víctor Toro-Román Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0000-0001-9607-1759
  • Víctor Illera-Domínguez Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0000-0002-3521-2332
  • Roger Font Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0000-0001-8343-7352
  • Jordi Sarola Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain)
  • Adrián García-Fresneda Research Group in Technology Applied to High Performance and Health (TAARS), Tecnocampus, Department of Health Sciences, Pompeu Fabra University, Mataró (Barcelona, Spain) https://orcid.org/0000-0001-8988-0814

DOI:

https://doi.org/10.47197/retos.v65.111739

Palavras-chave:

Cardiorrespiratório, auxilio ergogénico, poder, placebo, corrida, força

Resumo

Introdução: Os desportos em cadeira de rodas, como o rugby em cadeira de rodas (RSR), são de naturalidade intermitente, combinando ações de alta e baixa intensidade. Embora existam alguns dados sobre os efeitos da ingestão de cafeína nos jogadores de RSR, são necessárias mais investigações que utilizem testes físicos específicos relacionados com as exigências do jogo de RSR.
Objectivos: O objectivo deste estudo foi analisar o efeito agudo da suplementação com cafeína no desempenho neuromuscular e na capacidade de repetição de sprints (RSA) em jogadores de RSR.
Metodologia: Um total de quatro jogadores da RSR participaram neste estúdio. Os participantes ingeriram 4 mg/kg de cafeína anidra disuelta com sacarina em 200 mL de água (CAF) e 200 mL de água simples com sacarina (PLA) 45 minutos antes do aquecimento. Se realizar os seguintes testes: teste de contração isométrica voluntária máxima do manguito dos rotadores (MVIC), teste de propulsão inicial máxima com ar (IMPRP), teste de sprint de 10 m e teste de RSA (12 x 5 m).
Resultados: A CAF produziu um aumento do valor da força e da potência nos testes MVIC e IMPRP (≈14,0-18,0%). Além disso, o grupo CAF reportou um menor tempo de sprint a 3 (≈5,0%), 5 (≈3,0%) e 10 metros (≈2,0%).
Discussão: As melhorias à distância na prova de IMPRP, bem como uma prova de sprint de 20 metros foram anteriormente relatadas nos jogos de RSR após a ingestão de 4 mg/kg de café.
Conclusões: A ingestão de 4 mg/kg de cafeína 45 minutos antes do aquecimento pode melhorar ligeiramente o rendimento, especialmente nas ações neuromusculares em jogadores de RSR.

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Publicado

26-02-2025

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Artigos de caráter científico: trabalhos de pesquisas básicas e/ou aplicadas.

Como Citar

Parada-Rivera, I., Sánchez-Grau, J., Ferrer-Ramos, P., Toro-Román, V., Illera-Domínguez, V., Font, R., Sarola, J., & García-Fresneda, A. (2025). Efeito agudo da suplementação de cafeína no desempenho neuromuscular e na capacidade de sprints repetidos em jogadores de rugby em cadeira de rodas: um estudo de caso. Retos, 65, 895-908. https://doi.org/10.47197/retos.v65.111739