Why the study?
Endurance athletes frequently use wrist-worn heart rate monitors to guide training, but few studies have assessed their accuracy at high levels of exertion.
Do commercially available wrist-worn heart rate monitors and chest straps accurately measure heart rate compared to ECG in healthy athletic adults during treadmill running?
Population
50 healthy, athletic adults
Comparison
Four wrist-worn heart rate monitors and Polar H7 chest strap vs three lead ECG
Design
Prospective randomized validation study
Authors
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Polar H7 and Apple Watch III show highest ECG agreement in athletes; hypothesis-generating and requires prospective validation before broader use.
Do commercially available wrist-worn heart rate monitors and chest straps accurately measure heart rate compared to ECG in healthy athletic adults during treadmill running?
The Polar H7 chest strap and Apple Watch III provide the most accurate heart rate measurements compared to ECG during treadmill running in healthy athletes.
Pasadyn et al. (2019) studied this question.
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