• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>The Journal of Nutritional Biochemistry >No effect of short-term arginine supplementation on nitric oxide production, metabolism and performance in intermittent exercise in athletes
【24h】

No effect of short-term arginine supplementation on nitric oxide production, metabolism and performance in intermittent exercise in athletes

机译：短期补充精氨酸对运动员间歇运动中一氧化氮的产生，代谢和表现没有影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Arginine supplementation has been shown to alleviate endothelial dysfunction and improve exercise performance through increasing nitric oxide production in patients with cardiopulmonary diseases. In addition, arginine supplementation could decrease accumulations of lactate and ammonia, metabolites involved in development of muscular fatigue. The aim of this study was to investigate the effect of short-term arginine supplementation on performance in intermittent anaerobic exercise and the underlying mechanism in well-trained male athletes. Ten elite male college judo athletes participated with a randomized crossover, placebo-controlled design. The subjects consumed 6 g/day arginine (ARG trial) or placebo (CON trial) for 3 days then performed an intermittent anaerobic exercise test on a cycle ergometer. Blood samples were collected before supplementation, before and during exercise and 0, 3, 6, 10, 30 and 60 min after exercise. ARG trial had significantly higher arginine concentrations than CON trial at the same time point before, during and after exercise. In both trials, nitrate and nitrite concentration was significantly higher during and 6 min after exercise comparing to the basal concentration. The increase in nitrate and nitrite concentration during exercise in both trials was parallel to the increase in plasma citrulline concentrations. There was no significant difference between the 2 trials in plasma nitrate and nitrite, lactate and ammonia concentrations and peak and average power in the exercise. The results of this study suggested that short-term arginine supplementation had no effect on nitric oxide production, lactate and ammonia metabolism and performance in intermittent anaerobic exercise in well-trained male athletes.
机译：补充精氨酸已被证明可通过增加心肺疾病患者的一氧化氮产生来减轻内皮功能障碍并改善运动表现。此外，补充精氨酸可以减少乳酸和氨的积累，这些代谢物与肌肉疲劳的发展有关。这项研究的目的是调查短期精氨酸补充对间歇性无氧运动表现的影响以及受过良好训练的男运动员的潜在机制。十名精英男子大学柔道运动员参加了一项随机交叉，安慰剂对照设计。受试者每天服用6克/天的精氨酸（ARG试验）或安慰剂（CON试验），持续3天，然后在自行车测功机上进行间歇性无氧运动测试。在补充之前，运动之前和运动期间以及运动后0、3、6、10、30和60分钟收集血液样本。在运动前，运动中和运动后的同一时间，ARG试验的精氨酸浓度明显高于CON试验。在这两个试验中，与基础浓度相比，运动期间和运动后6分钟的硝酸盐和亚硝酸盐浓度均显着较高。在两项试验中，运动期间硝酸盐和亚硝酸盐浓度的增加与血浆瓜氨酸浓度的增加平行。两项试验中血浆硝酸盐和亚硝酸盐，乳酸和氨的浓度以及运动中的峰值功率和平均功率之间无显着差异。这项研究的结果表明，在训练有素的男运动员中，短期补充精氨酸不会影响一氧化氮的产生，乳酸和氨的代谢以及间歇性无氧运动的表现。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号