Wrist-Based photoplethysmography assessment of heart rate and heart rate variability: Validation of WHOOP - Bellenger, C. R.; Miller, D.; Halson, S. L.; Roach, G.; Sargent, C. (Sensors, 2021)
Keywords: heart rate; hand; joint; variability; measuring and information system; measuring procedure; wearable; heart rate variability; Switzerland; technical and natural sciences; sports facilities and sports equipment