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  • 标题:EFEITOS DA SUPLEMENTAÇÃO DE BICARBONATO DE SÓDIO EM UM TESTE ERGOMÉTRICO DE ESFORÇO CRESCENTE EM HOMENS RECREACIONALMENTE ATIVOS
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  • 作者:Everton Marcio Derisso ; Yuri Lopes Motoyama ; Paulo Eduardo de Assis Pereira
  • 期刊名称:Revista Brasileira de Nutrição Esportiva
  • 电子版ISSN:1981-9927
  • 出版年度:2014
  • 卷号:8
  • 期号:43
  • 页码:4-9
  • 语种:Portuguese
  • 出版社:Instituto Brasileiro de Pesquisa e Ensino em Fisiologia do Exercício
  • 摘要:The supplementation of sodium bicarbonate (NaHCO3) is being used as a way to induce blood alkalosis and increase the buffering chemical capacity. The literature shows a need for studies that use supplemental NaHCO3 at high intensities lasting more than 5 minutes. This study compares the effect of supplementation of NaHCO3 in speed corresponding to maximum working speed (vMAX) and the respiratory compensation point (vRCP) during an incremental treadmill test. We evaluate six recreationally active males (22.00 ± 2.00 years, 81.80 ± 9.90 kg, 1.81 ± 0.06 m and BMI 25 ± 2 kg/m2) and previously trained. The volunteers presented to the laboratory on two different days. They ingested 0.1 g/kg body weight of NaHCO3 (Group B) or placebo with calcium carbonate (CaCO3) (Group P) and performed an incremental test on a treadmill with 1km/h increments every 2 minutes until volitional exhaustion maximum. There was no significant difference in the velocities corresponding to vPCR and vMAX with supplementation of NaHCO3 and in any respiratory parameter. The ingestion of NaHCO3 at a concentration of 0.1 g/kg body weight does not improve performance in an incremental test on a treadmill. Key words: Exercise, Performance, Anaerobic threshold, Blood alkalosis.
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