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使用Apple Watch系列7的智能手表评估最大氧气摄入量的准确性:验证研究

Polona Caserman¹, Sungsoo Yum¹, Stefan Göbel¹

¹Serious Games Research Group, Technical University of Darmstadt, Darmstadt, Germany.

JMIR biomedical engineering

|July 31, 2024

概括

与实验室测试相比,Apple Watch Series 7高估或低估了最大氧气吸收 (VO2max),显示出不高的可靠性. 准确性对于更健康的人来说更好,但它更准确.

科学领域:

评估心肺呼吸系统的健康状况
体育科学与技术体育科学与技术
可穿戴设备验证验证

背景情况:

最大氧气摄入量 (VO2max) 是评估心肺呼吸能力的关键.
实验室测试是黄金标准,但可穿戴设备提供了方便.
通过手腕穿戴设备估计VO2max的科学验证是有限的.

研究的目的:

将Apple Watch Series 7的VO2max估计精度与实验室黄金标准进行比较.
为了评估果对其设备的验证结果.
评估用于健身跟踪的可穿戴技术的可靠性和准确性.

主要方法:

19名18-63岁的参与者 (7名女性,12名男性) 通过使用代谢气体分析仪和循环人体仪进行了实验室VO2max测试.
参与者完成了分级运动测试,直到疲.
果手表系列7的VO2max估计在2天的佩戴和户外跑步后,然后与实验室结果进行比较.

主要成果:

与实验室测量 (45.88 mL/kg/min) 相比,果手表显著低估了VO2max (41.37 mL/kg/min) (P=.01).与实验室测量相比,果手表显著低估了VO2max (45.88 mL/kg/min) (P=.01).
布兰德-阿尔特曼分析显示,整体一致性很好,但可靠性不佳 (ICC=0.47).
平均绝对百分比误差为15.79%;准确性在更适合的人群中得到改善 (ICC=0.60).

结论:

果手表和其他智能手表一样,可以错误估计VO2max,特别是对于那些身体健康水平很低或很高的人来说.
评估准确性和可靠性对于确定可穿戴设备作为实验室替代品的适用性至关重要.
调查结果为研究人员,专业人员和用户提供了关于可穿戴设备在健身评估中的功能.

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