Heart Rate Measures From Wrist-Worn Activity Trackers in a Laboratory and Free-Living Setting: Validation Study.
Andre Matthias MüllerNan Xin WangJiali YaoChuen Seng TanIvan Cherh Chiet LowNicole LimJeremy TanAgnes TanFalk Müller-RiemenschneiderPublished in: JMIR mHealth and uHealth (2019)
HR data from the examined wrist-worn trackers were reasonably accurate in both the settings, with the Polar A370 showing stronger agreement with the Polar H10 and smaller errors. Inaccuracies increased with increasing HRs; this was pronounced for Tempo HR.