Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study

Muggeridge D, Hickson K, Davies A, Giggins O, Megson I, Gorely T, Crabtree D
Measurement of Heart Rate Using the Polar OH1 and Fitbit Charge 3 Wearable Devices in Healthy Adults During Light, Moderate, Vigorous, and Sprint-Based Exercise: Validation Study
JMIR Mhealth Uhealth 2021;9(3):e25313
URL: mhealth.jmir.org/2021/3/e25313
DOI: 10.2196/25313