Determinantes do DesempenhoFísico e as RespostasFisiológicas Durante umaMaratona Oficial de MountainBike Cross-Country (Xcm-Mtb)

Autores

  • Guilherme Pereira Saborosa The Federal University of Lavras, Department of Physical Education, Group of Studies and Research on Neuromuscular Responses (GEPREN), University Campus, Post office box: 3037; ZIP code 37200- 000, Lavras, Minas Gerais, Brazil., Brasil https://orcid.org/0000-0002-4822-4279
  • Kallil Neves Zuri The Federal University of Lavras, Department of Physical Education, Group of Studies and Research on Neuromuscular Responses (GEPREN), University Campus, Post office box: 3037; ZIP code 37200- 000, Lavras, Minas Gerais, Brazil. , Brasil https://orcid.org/0000-0002-9738-2062
  • Túlio Junqueira Carneiro The Federal University of Lavras, Department of Physical Education, Group of Studies and Research on Neuromuscular Responses (GEPREN), University Campus, Post office box: 3037; ZIP code 37200- 000, Lavras, Minas Gerais, Brazil., Brasil https://orcid.org/0000-0003-1346-1095
  • Bruno Pereira Melo The Federal University of Minas Gerais, Department of Physical Education, Exercise Physiology Laboratory, Av. Pres. Antônio Carlos, 6627 Campus-Pampulha, Belo Horizonte, Brazil., Brasil https://orcid.org/0000-0001-9201-8125
  • Guilherme de Azambuja Pussieldi The Federal University of Lavras, Department of Physical Education, Group of Studies and Research on Neuromuscular Responses (GEPREN), University Campus, Post office box: 3037; ZIP code 37200- 000, Lavras, Minas Gerais, Brazil. The Federal University of Viçosa - Campus Florestal, Biological Science and Health Institute, Group of Studies and Research on Physical Activity and Health (GEPAFIS), Rod LMG, 818 km 6; ZIP code 35690-000, Florestal, Minas Gerais, Brazil., Brasil https://orcid.org/0000-0002-0275-5226
  • Francisco de Assis Manoel The Federal University of Lavras, Department of Physical Education, Group of Studies and Research on Neuromuscular Responses (GEPREN), University Campus, Post office box: 3037; ZIP code 37200- 000, Lavras, Minas Gerais, Brazil., Brasil https://orcid.org/0000-0003-1841-5637
  • Sandro Fernandes da Silva The Federal University of Lavras, Department of Physical Education, Group of Studies and Research on Neuromuscular Responses (GEPREN), University Campus, Post office box: 3037; ZIP code 37200- 000, Lavras, Minas Gerais, Brazil., Brasil https://orcid.org/0000-0003-0516-6408

DOI:

https://doi.org/10.15359/mhs.21-1.16622

Palavras-chave:

Treinamento, Frequência Cardíaca, Desempenho Físico, Potência

Resumo

Introdução: As variáveis determinantes do desempenho físico na maratona de mountain bike cross-country (XCM-MTB) ainda são desconhecidas. 

Objetivo: Nosso objetivo foi verificar as variáveis de controle de treinamento e as respostas fisiológicas em uma corrida oficial de XCM-MTB. 

Material e métodos: Participaram deste estudo 13 atletas (11 homens e 2 mulheres; 33,3 ± 12,7 anos de idade). O estudo foi realizado durante uma corrida oficial de XCM-MTB no Brasil (percurso de 70 km). A frequência cardíaca (FC), altimetria, velocidade, temperatura, ritmo e potência foram obtidos a cada 10 km percorridos através do aplicativo STRAVA. Foi realizada uma análise de regressão linear múltipla para verificar se as variáveis poderiam prever o desempenho físico. 

Resultados: Os atletas mantiveram uma elevação constante na FC na zona correspondente a 80% da FC máxima. Apresentaram também variação no ritmo (F = 35,82; p < 0,001; d = 0,66) e na potência (F = 7,20; p < 0,001; d = 0,18), mostrando valores mais altos nos últimos 10 km. Apenas o ritmo pode ser considerado um preditor do desempenho físico (β = 0,958; t = 7,30; p < 0,001), especificamente no ponto dos 20 km (F = 10,23; p = 0,004; R2 = 0,82). 

Conclusão: O estudo concluiu que as variáveis analisadas são confiáveis para o controle de desempenho em uma corrida oficial de XCM-MTB. A FC e a potência são variáveis que podem ser usadas para prescrever e controlar o treinamento, pois mudam de acordo com as exigências da corrida. A potência também pode ser usada como um preditor de desempenho, pois é diretamente influenciada pelo terreno.

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Publicado

2024-02-22

Como Citar

Saborosa, G. P., Zuri, K. N., Carneiro, T. J., Melo, B. P., Pussieldi, G. de A., Manoel, F. de A., & da Silva, S. F. (2024). Determinantes do DesempenhoFísico e as RespostasFisiológicas Durante umaMaratona Oficial de MountainBike Cross-Country (Xcm-Mtb). MHSalud: Revista En Ciencias Del Movimiento Humano Y Salud, 21(1), e16622. https://doi.org/10.15359/mhs.21-1.16622

Como Citar

Saborosa, G. P., Zuri, K. N., Carneiro, T. J., Melo, B. P., Pussieldi, G. de A., Manoel, F. de A., & da Silva, S. F. (2024). Determinantes do DesempenhoFísico e as RespostasFisiológicas Durante umaMaratona Oficial de MountainBike Cross-Country (Xcm-Mtb). MHSalud: Revista En Ciencias Del Movimiento Humano Y Salud, 21(1), e16622. https://doi.org/10.15359/mhs.21-1.16622

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