碳水化合物口腔冲洗未能减少中枢疲劳,降低感知力的努力,并改善增量运动期间的表现
Flávio O Pires1, Fabiano A Pinheiro1,2, Cayque Brietzke1
1Exercise Psychophysiology Research Group, School of Arts, Science and Humanities, University of São Paulo, São Paulo, Brazil.
Frontiers in nutrition
|March 6, 2024
概括
碳水化合物 (CHO) 口水没有改善最大增量测试性能或减少骑自行车者的中枢疲劳. 虽然在统计上并不显著,但一些趋势表明,在通风门上,特定的功率输出指标可能会带来潜在的好处.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 营养科学 营养科学
背景情况:
- 中心疲劳和感知到的劳累可以限制运动表现.
- 碳水化合物口水冲洗是一种被探索的策略,可以潜在地减轻这些因素.
研究的目的:
- 为了研究碳水化合物 (CHO) 口水对中央疲劳,感知劳动力和休骑自行车者的最大增量测试 (MIT) 性能的影响.
主要方法:
- 九名休骑自行车者参加了一项双盲,平衡研究.
- 参与者在用CHO或安慰剂溶液冲洗后进行了MIT.
- 评估了心肺反应,感知劳动力 (RPE) 和神经肌肉功能 (自愿激活和峰值抽扭矩) 的评级.
主要成果:
- 在CHO和安慰剂条件之间,在耗尽时间,峰值功率输出 (PPO) 或最大氧气吸收 (V̇O2MAX) 中没有发现显著差异.
- 碳水化合物口腔冲洗并没有减轻中心或外围疲劳的发展.
- 在条件之间,感知劳动力 (RPE) 和通风门的评级是可比的.
结论:
- 碳水化合物口腔冲洗在减少中心疲劳,降低RPE或提高MIT表现方面无效.
- 在VT1和VT2的功率输出中等到大效应大小表明CHO口服冲洗对这些特定性能指标的潜在,尽管不是统计学上显著的好处.
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