Reliability and Validity of Commercially Available Wearable Devices for Measuring Steps, Energy Expenditure, and Heart Rate: Systematic Review.
Daniel FullerEmily ColwellJonathan LowKassia OrychockMelissa Ann TobinBo SimangoRichard BuoteDesiree Van HeerdenHui LuanKimberley CullenLogan SladeNathan G A TaylorPublished in: JMIR mHealth and uHealth (2020)
Commercial wearable devices are accurate for measuring steps and heart rate in laboratory-based settings, but this varies by the manufacturer and device type. Devices are constantly being upgraded and redesigned to new models, suggesting the need for more current reviews and research.