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Identification of Non-Invasive Exercise Thresholds: Methods, Strategies, and an Online App
Sports Medicine ( IF 9.3 ) Pub Date : 2021-10-25 , DOI: 10.1007/s40279-021-01581-z
Daniel A Keir 1, 2 , Danilo Iannetta 3 , Felipe Mattioni Maturana 4 , John M Kowalchuk 1, 5 , Juan M Murias 3
Affiliation  

During incremental exercise, two thresholds may be identified from standard gas exchange and ventilatory measurements. The first signifies the onset of blood lactate accumulation (the lactate threshold, LT) and the second the onset of metabolic acidosis (the respiratory compensation point, RCP). The ability to explain why these thresholds occur and how they are identified, non-invasively, from pulmonary gas exchange and ventilatory variables is fundamental to the field of exercise physiology and requisite to the understanding of core concepts including exercise intensity, assessment, prescription, and performance. This review is intended as a unique and comprehensive theoretical and practical resource for instructors, clinicians, researchers, lab technicians, and students at both undergraduate and graduate levels to facilitate the teaching, comprehension, and proper non-invasive identification of exercise thresholds. Specific objectives are to: (1) explain the underlying physiology that produces the LT and RCP; (2) introduce the classic non-invasive measurements by which these thresholds are identified by connecting variable profiles to underlying physiological behaviour; (3) discuss common issues that can obscure threshold detection and strategies to identify and mitigate these challenges; and (4) introduce an online resource to facilitate learning and standard practices. Specific examples of exercise gas exchange and ventilatory data are provided throughout to illustrate these concepts and a novel online application tool designed specifically to identify the estimated LT (θLT) and RCP is introduced. This application is a unique platform for learners to practice skills on real exercise data and for anyone to analyze incremental exercise data for the purpose of identifying θLT and RCP.



中文翻译:

非侵入性运动阈值的识别:方法、策略和在线应用程序

在增量运动期间,可以从标准气体交换和通气测量中确定两个阈值。第一个表示血乳酸积累的开始(乳酸阈值,LT),第二个表示代谢性酸中毒的开始(呼吸补偿点,RCP)。解释为什么会出现这些阈值以及如何从肺气体交换和通气变量中非侵入性地识别它们的能力是运动生理学领域的基础,也是理解运动强度、评估、处方和运动强度等核心概念所必需的。表现。本综述旨在为教师、临床医生、研究人员、实验室技术人员以及本科生和研究生水平的学生提供独特而全面的理论和实践资源,以促进教学,理解和正确的非侵入性识别运动阈值。具体目标是: (1) 解释产生 LT 和 RCP 的潜在生理学;(2) 引入经典的非侵入性测量,通过将变量配置文件与潜在的生理行为联系起来来识别这些阈值;(3) 讨论可能掩盖阈值检测的常见问题以及识别和缓解这些挑战的策略;(4) 引入在线资源以促进学习和标准实践。整个过程中都提供了运动气体交换和通气数据的具体示例来说明这些概念,并提供了一种专门用于识别估计 LT 的新型在线应用工具((1) 解释产生 LT 和 RCP 的潜在生理学;(2) 引入经典的非侵入性测量,通过将变量配置文件与潜在的生理行为联系起来来识别这些阈值;(3) 讨论可能掩盖阈值检测的常见问题以及识别和缓解这些挑战的策略;(4) 引入在线资源以促进学习和标准实践。整个过程中都提供了运动气体交换和通气数据的具体示例来说明这些概念,并提供了一种专门用于识别估计 LT 的新型在线应用工具((1) 解释产生 LT 和 RCP 的潜在生理学;(2) 引入经典的非侵入性测量,通过将变量配置文件与潜在的生理行为联系起来来识别这些阈值;(3) 讨论可能掩盖阈值检测的常见问题以及识别和缓解这些挑战的策略;(4) 引入在线资源以促进学习和标准实践。整个过程中都提供了运动气体交换和通气数据的具体示例来说明这些概念,并提供了一种专门用于识别估计 LT 的新型在线应用工具((2) 引入经典的非侵入性测量,通过将变量配置文件与潜在的生理行为联系起来来识别这些阈值;(3) 讨论可能掩盖阈值检测的常见问题以及识别和缓解这些挑战的策略;(4) 引入在线资源以促进学习和标准实践。整个过程中都提供了运动气体交换和通气数据的具体示例来说明这些概念,并提供了一种专门用于识别估计 LT 的新型在线应用工具((2) 引入经典的非侵入性测量,通过将变量配置文件与潜在的生理行为联系起来来识别这些阈值;(3) 讨论可能掩盖阈值检测的常见问题以及识别和缓解这些挑战的策略;(4) 引入在线资源以促进学习和标准实践。整个过程中都提供了运动气体交换和通气数据的具体示例来说明这些概念,并提供了一种专门用于识别估计 LT 的新型在线应用工具(θ LT ) 和 RCP 被引入。该应用程序是一个独特的平台,学习者可以在真实运动数据上练习技能,任何人都可以分析增量运动数据以识别θ LT和 RCP。

更新日期:2021-10-25
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