V̇O2 Master Pro的有效性用于测量静坐活动和跑步机上行走和慢跑期间的氧气消耗
Jisu Kim1, Kyu-Ri Hong2, In-Whi Hwang3
1Department of Kinesiology and Health Sciences, Virginia Commonwealth University, Richmond, VA 23284, USA.
与实验室标准相比,V̇O2 Master Pro (VMP) 便携式设备低估了氧气消耗,在各种活动中显示的准确性较低. 建议在使用VMP进行亚最大运动评估时谨慎使用.
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:
- 代谢车是测量实验室氧气消耗 (V·O2) 的标准.
- 像V̇O2 Master Pro (VMP) 这样的便携式设备旨在将V̇O2测量扩展到实验室之外.
- 关于VMP在不同活动强度的有效性存在有限的数据.
研究的目的:
- 评估VMP与静止代谢车 (COSMED Quark CPET) 的有效性.
- 在静坐,步行和慢跑条件下评估VMP对V̇O2的准确性.
- 为了确定VMP和参考设备之间的一致性和偏差.
主要方法:
- 27名健康成年人参加了两个实验室试验.
- 参与者进行了静坐,慢步,快步和慢跑 (7.2公里/小时) 每次10分钟.
- 使用VMP和COSMED Quark CPET,同时测量了氧气消耗.
主要成果:
- 与COSMED夸克CPET相比,VMP显示出较低的一致性 (ICC=0.135-0.323) 和显著的比例偏差.
- 相当性测试未能显示设备之间的统计等价性 (p > 0.05).
- VMP始终低估了V̇O2,在慢跑期间观察到的最小误差 (MAPE=20.05%).
结论:
- 在测试的强度中,VMP表现出较低的准确性和一致性,用于测量V̇O2相对于测试强度的参考设备.
- 低估的潜在原因包括通风管流量捕获或传感器响应能力的限制.
- 观察到的偏差和可变性表明,在解释VMP数据用于最大限度以下运动时,需要谨慎.
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