Last Updated on September 29, 2022 by pg@petergamma.org [90.8.1] Accuracy of Firstbeat Bodyguard 2 beat-to-beat heart rate monitor: «Total testing time was 50 minutes, activities from rest to intensive exercise. Rest sitting 4:00 min, lying on bed 6:00 min, Standing, 1:00 min, walking 3km/h – 0% inclination 3:00 min, walking 3km/h – 5% inclination 3:00 … Continue reading 90.3 Summary of the testing protocols of different studies