Relationship between salivary biomarkers and performance in long-distance running

  • Barbara de Moura Mello Antunes UNESP - Presidente Prudente
  • José Gerosa-Neto Exercise and Immunometabolism Research Group, Department of Physical Education, Universidade Estadual Paulista (UNESP)
  • Camila Yuri Haraguchi Exercise and Immunometabolism Research Group, Department of Physical Education, Universidade Estadual Paulista (UNESP)
  • Rodrigo Xavier Neves Cancer Metabolism Research Group, Department of Cell Biology, Institute of Biomedical Sciences, University of Sao Paulo (USP), São Paulo, Brazil.
  • Helton S Souza Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.
  • Romulo Araujo Fernandes Laboratory of Investigation in Exercise, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo , Brazil
  • Fabio Santos Lira Laboratory of Investigation in Exercise, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo , Brazil

Resumo

Relationship between salivary biomarkers and performance in long-distance running

 

Purpose: The aim of the present study was to evaluate the salivary cortisol and alpha amylase levels in response to long-distance running according performance variables as accumulated distance, total time and velocity of running in athletes. Methods: Eight sportsmen (aged 21±2 years; Body Mass Index 20±1 kg/m2) completed a total of 259 km in 17 hours, throughout 3 days. The distance, total time run, and velocity during running were computed, and saliva samples were collected in the morning and at night for 3 days. Pearson correlations between variables were performed. Results: The range of distances was ≈ 7 to 54 km, and total time per run was ≈ 32 to 198 minutes, and the velocity of run was 13 to 16.5 km/h. Pearson correlations showed positive relationships between salivary cortisol and distance (r=0.81, p<0.01), total time running (r=0.77, p<0.02) and velocity during run (r=0.89, p<0.002). In addition, no correlations were observed to salivary alpha amylase. Conclusions: Based on this result, the accumulated distance, total time and velocity of running exhibits positive correlations to salivary cortisol, but not to salivary alpha amylase. This data shows that an endocrine response is continuously demanded in long distance running.

 

RESUMO

 

Objetivo: O objetivo do presente estudo foi avaliar os níveis de cortisol e alfa amilase salivar em resposta a corrida de longa distância de acordo com variáveis de desempenho como distância acumulada, tempo total e velocidade de corrida em atletas. Métodos: Oito atletas (idade entre 21 ± 2 anos, índice de massa corporal de 20 ± 1 kg / m2) completaram um total de 259 km em 17 horas, ao longo de 3 dias. A distância, tempo total e velocidade durante a corrida foram computados, e amostras de saliva foram coletadas no período da manhã e noite, durante 3 dias. Para análises estatísticas, correlações de Pearson entre as variáveis foram realizadas. Resultados: A variação de distâncias foi ≈ 7-54 km, tempo total foi ≈ 32 a 198 minutos e a velocidade de execução foi entre 13 e 16,5 km / h. Correlações de Pearson mostraram relações positivas entre cortisol salivar e a distância (r = 0,81, p <0,01), tempo total de corrida (r = 0,77, p <0,02) e velocidade durante a corrida (r = 0,89, p <0,002). Além disso, não foi observado correlações com a alfa-amilase salivar. Conclusões: Com base nesse resultado, a distância acumulada, o tempo total e velocidade exibem correlações positivas com cortisol salivar, mas não com a alfa-amilase salivar. Estes dados mostram que uma resposta endócrina é continuamente exigida na corrida de longa distância.

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Publicado
2017-06-20
Como Citar
Antunes, B. de M. M., Gerosa-Neto, J., Haraguchi, C. Y., Neves, R. X., Souza, H. S., Fernandes, R. A., & Lira, F. S. (2017). Relationship between salivary biomarkers and performance in long-distance running. RBPFEX - Revista Brasileira De Prescrição E Fisiologia Do Exercício, 11(66), 278-283. Recuperado de http://www.rbpfex.com.br/index.php/rbpfex/article/view/1119
Seção
Artigos Científicos - Original