Why the study?
Do 4 popular wrist-worn optically based heart rate monitors accurately measure heart rate under conditions of varying physical exertion?
Do 4 popular wrist-worn optically based heart rate monitors accurately measure heart rate under conditions of varying physical exertion?
This study aims to determine the accuracy of wrist-worn heart rate monitors during physical exertion, which is important for guiding physical activity and clinical reporting.
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Wrist-worn HR monitor readings warrant caution for activity guidance; leaves open need for rigorous device-specific validation.
Wrist-worn fitness and heart rate (HR) monitors are popular. 1,2 While the accuracy of chest strap, electrode-based HR monitors has been confirmed, 3,4 the accuracy of wrist-worn, optically based HR monitors is uncertain. 5,6 Assessment of the monitors' accuracy is important for individuals who use them to guide their physical activity and for physicians to whom these individuals report HR readings. The objective of this study was to assess the accuracy of 4 popular wrist-worn HR monitors under conditions of varying physical exertion.
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Wang et al. (2016) studied this question.
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