在训练有素的男性骑自行车时,Moxy肌肉氧计的侧面差异和可重现性
Philip Skotzke1, Sascha Schwindling2, Tim Meyer2
1Institute of Sport and Preventive Medicine, University of Saarland, Campus B8.2, 66123, Saarbrücken, Germany. s8phskot@uni-saarland.de.
European journal of applied physiology
|May 29, 2024
概括
便携式近红外光谱 (NIRS) 设备提供实时肌肉氧和度 (SmO2) 测量. 虽然测试重复测试的可靠性很好,但检测到的最小变化表明,在骑自行车的人中解释SmO2的小变化时要谨慎.
科学领域:
- 运动生理学 运动生理学
- 生物医学工程 生物医学工程
- 运动科学 运动科学 运动科学
背景情况:
- 便携式近红外光谱 (NIRS) 能够进行非侵入性,实时的肌肉氧和 (SmO2) 监测.
- 了解日复一日的变化对于精确的强度控制和体育应用中的负载监测至关重要.
- 莫克西显示器是经常用于这些目的的NIRS设备.
研究的目的:
- 评估摩克西监视器对骑自行车者SmO2测量的绝对和相对测试-重试可靠性.
- 为了研究在主导和非主导腿之间巨大的侧面肌肉中SmO2的潜在侧面差异.
主要方法:
- 12名训练有素的骑自行车者进行了3次增量步骤测试,分隔2-7天.
- 肌肉氧和度 (SmO2) 用莫克西监视器测量,并在每个阶段的最后一分钟中平均.
- 计算了类内相关系数 (ICC),标准测量误差 (SEM) 和最小可检测变化 (MDC),以及ANOVA和侧面差异的协议极限.
主要成果:
- 在试验之间或腿之间没有发现SmO2的显著系统差异.
- 对SmO2的ICC在0.79到0.92之间,表明相对可靠性良好至出色.
- SEM在5-9%的SmO2之间,MDC在14-18%的SmO2之间,脚之间的协议极限为-2.0%±19.9%的SmO2.
结论:
- 莫克西监视器在骑自行车者中对SmO2的相对测试-重新测试可靠性良好至卓越.
- 这种可靠性的充分性取决于特定应用程序的分析目标.
- 观察到腿之间肌肉氧化的显著,无法解释的侧面差异,突出了需要个性化解释的需要.
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