Shall we believe in a cheap study of the Swiss Federal Institute of Sport Magglingen SFISM performed with a cheap ECG device & in cheap doubts of Rob ter Horst about expensive ECG devices?

Last Updated on February 1, 2023 by pg@petergamma.org

Scientific studies at the Swiss Federal Institute of Sport Magglingen SFISM:

Scientific study of the Swiss Federal Institute of Sport Magglingen SFISM with a cheap ECG device: Schiller Medilog AR12 Plus Holter Recorder $1700:

90.10 Scientific papers which determine the signal quality of HRMs

Scientific studies performed at the Cleveland Clinic in Ohio with an expensive ECG device: refurbished on ebay $ 6’990:

https://journals.lww.com/acsm-msse/Fulltext/2017/08000/Variable_Accuracy_of_Wearable_Heart_Rate_Monitors.22.aspx

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6732081/

performed at the Cleveland Clinic in Ohio with a research grant of about 200 million dollars year.

Is this not a cheap study of the Swiss Federal Institute of Sports in Magglingen to doubt about expensive studies with expensive ECG devices?