Last Updated on January 19, 2023 by pg@petergamma.org
In this paper of the Swiss Federal Institute of Sports in Magglingen, single ECG peaks where studied and analysed after the activity:
https://pubmed.ncbi.nlm.nih.gov/31004219/
In this paper of the group of Dr. Desai from Cleveland Clinic in Ohio, a cardiologist stood next to the treadmill and studied and analysed every single ECG peak:
In both papers, a 3 lead ECG device was used with 3 digital channels which were amplified independently from each other. But the device of the cardiologists was much more expensive than the device the Swiss used.
The cardiologists checked in a second paper with a protocol on a treadmill with speeds up to 15 km/h the accuracy of HRMs. This was a setup we suppose which was optimized for high accuracy, to be able to analyse and count every single ECG peak as accurately as possible. The setup in the Swiss paper was not optimized for accuracy. They checked the quality of single ECG peaks, which was not optimal in both devices, ECG and Polar H10. And the authors of the Swiss paper did also not discuss why the quality was not optimal.
To get maximal accuracy, whe have to study and analyse every single ECG peak as attentive as possible. Why does Rob ter Horst and other HRM validators not use this method?