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Efeito da suplementação com carboidrato no desempenho de corredores

    1. [1] Universidade Federal do Ceará

      Universidade Federal do Ceará

      Brasil

    2. [2] Universidade de Sorocaba

      Universidade de Sorocaba

      Brasil

    3. [3] Faculdade de Tietê, Universidade Brasil, São Paulo-SP, Brasil
    4. [4] Pós-graduação em Fisiologia do Exercício e Treinamento, Faculdade Anhanguera Educacional de Sorocaba. Sorocaba-SP, Brasil.
  • Localización: Revista Brasileira de Nutriçao Esportiva, ISSN-e 1981-9927, Vol. 13, Nº. 77, 2019, págs. 123-130
  • Idioma: portugués
  • Títulos paralelos:
    • Effects of carbohydrate supplementation on runners performance
  • Enlaces
  • Resumen
    • português

      O objetivo do presente estudo foi identificar se a suplementação de carboidrato (CHO) pode melhorar o desempenho em atividades de alta intensidade e média duração. Participaram do estudo 6 corredores do gênero masculino, treinados e hígidos, com 30 ± 6,4 anos, 171,3 ± 2,8 metros, 74,1 ± 4,6 Kg; VO2máx de 49 ± 3,7 ml/kl/min, velocidade do Lan de 10,8 ± 0,5 Km/h e com experiência média de 3,1 ± 1,8 anos na modalidade. Após seleção dos sujeitos todos foram submetidos a testes de potência aeróbia e composição corporal. Cada sujeito foi submetido a duas situações experimentais, I) 30 minutos de corrida em esteira com intensidade correspondente ao Limiar anaeróbio (LAn) com suplementação de CHO seguidos de 10 minutos contra o relógio e II) 30 minutos de corrida em esteira com intensidade correspondente ao LAn, sem suplementação de CHO e utilização de substância placebo seguidos de 10 minutos contra o relógio. Observamos que a velocidade média no contrarrelógio e o VO2máx no LAn apresentaram diferenças significantes (aumento de 5,69% e supressão de 4,18% respectivamente), já a frequência cardíaca não apresentou diferença estatística entre as condições placebo e CHO. Concluímos que houve melhora nos resultados apresentados com a suplementação de CHO, podendo ser uma estratégia para melhorar o desempenho em corridas de curta duração e alta intensidade. Effects of carbohydrate supplementation on runners performanceThis study aimed to identify as a carbohydrate (CHO) supplementation can improve performance in high intensity and medium duration activities. Six healthy, trained male runners, aged 30 ± 6.4 years, 171.3 ± 2.8 meters, 74.1 ± 4.6 kg, were included in the study; VO2max of 49 ± 3.7 ml/kg/min, of Lan velocity 10.8 ± 0.5 Km/h and mean of 3.1 ± 1.8 years in the modality. After the passage of the fingers, they were submitted to testes of aerobic power and body composition. Each subject was submitted to two experimental situations, I) 30 minutes of treadmill with the same content as expected Anaerobic threshold (LAn) with CHO supplementation followed by 10 minutes to run against the clock and, II) 30 minutes of treadmill running with intensity corresponding to LAn, without supplementation of CHO and use of placebo substance followed by 10 minutes to run against the clock. We observed that the mean velocity in the run against the clock and the VO2max in LAn showed significant differences (increase of 5.69% and suppression of 4.18%), already occurred with placebo and CHO. We concluded that there was improvement in the results presented with a supplementation of CHO, and it was a strategy to improve performance in short duration and high intensity races.

    • English

      This study aimed to identify as a carbohydrate (CHO) supplementation can improve performance in high intensity and medium duration activities. Six healthy, trained male runners, aged 30 ± 6.4 years, 171.3 ± 2.8 meters, 74.1 ± 4.6 kg, were included in the study; VO2max of 49 ± 3.7 ml/kg/min, of Lan velocity 10.8 ± 0.5 Km/h and mean of 3.1 ± 1.8 years in the modality. After the passage of the fingers, they were submitted to testes of aerobic power and body composition. Each subject was submitted to two experimental situations, I) 30 minutes of treadmill with the same content as expected Anaerobic threshold (LAn) with CHO supplementation followed by 10 minutes to run against the clock and, II) 30 minutes of treadmill running with intensity corresponding to LAn, without supplementation of CHO and use of placebo substance followed by 10 minutes to run against the clock. We observed that the mean velocity in the run against the clock and the VO2max in LAn showed significant differences (increase of 5.69% and suppression of 4.18%), already occurred with placebo and CHO. We concluded that there was improvement in the results presented with a supplementation of CHO, and it was a strategy to improve performance in short duration and high intensity races.


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