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相关概念视频

Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

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Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
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相关实验视频

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使用汗液乳酸传感器在游泳中评估乳酸值:一项前性研究.

Hiroki Okawara1, Tomonori Sawada1, Daisuke Nakashima1

  • 1Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan.

European journal of sport science
|August 10, 2024
PubMed
概括

一个新的防水可穿戴传感器在游泳期间准确地实时跟踪汗液乳酸盐 (sLA). 这项技术与血液乳酸值 (bLT) 非常接近,有助于性能评估.

关键词:
有氧健身是有氧健身.评估评估的评估评估的评估.耐力 耐力 耐力 耐力 耐力代谢 代谢 代谢 代谢技术技术的技术技术的技术.

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Evaluation of Blood Lactate and Plasma Insulin During High-intensity Exercise by Antecubital Vein Catheterization
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相关实验视频

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科学领域:

  • 运动科学 运动科学 运动科学
  • 生物医学工程 生物医学工程
  • 生理学 生理学 生理学

背景情况:

  • 评估有氧能力对于改善游泳表现至关重要.
  • 需要用于实时监控的非侵入性,广泛适用的技术.
  • 乳酸积累表明运动强度和疲劳.

研究的目的:

  • 开发一种技术,在游泳过程中非侵入性地可视化实时的汗液乳酸 (sLA) 变化.
  • 调查汗水乳酸值 (sLT) 和血液乳酸值 (bLT) 之间的关系.
  • 为了验证sLT和bLT对游泳表现的相关性.

主要方法:

  • 与24名大学游泳者在游泳池中的前性研究.
  • 使用在上臂上的防水可穿戴乳酸盐传感器进行增量运动测试.
  • 测量心率 (HR),血液乳酸 (bLT) 和汗液乳酸 (sLA),以确定sLT.

主要成果:

  • 实时SLA监测在剧烈游泳期间实现,没有延迟或污染.
  • 随着速度的增加,sLA水平增加,与心率相关.
  • 汗液乳酸值 (sLT) 与血液乳酸值 (bLT) 有很强的相关性 (r=0.824,p<0.01) 有很好的一致性 (平均差异:0.08 ± 0.1 m/s).

结论:

  • 开发的可穿戴传感器可以在游泳期间准确,实时监控sLA.
  • 汗液乳酸值 (sLT) 非常接近血液乳酸值 (bLT).
  • 无论是sLT还是bLT都被验证为游泳表现的相关指标.