For almost three years now I have measured my heart rate variability to get feedback on the recovery status of my body. Even though I am convinced of the system used, the Vitalmonitor, I have always been interested in how other systems compare – and whether a free app might be enough. That’s why I have used five HRV systems (Vitalmonitor, EliteHRV, HRV4Training, Polar and Emfit QS) in parallel over the past eight weeks and compared them. (more…)

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Hallo! :)

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Thomas (der Harlerunner)