The paper Rob ter Horst uses as a scientific basis for the choice of his Polar H10 chest strap was partly financed by Polar: RR interval signal quality of a heart rate monitor and an ECG Holter at rest and during exercise https://pubmed.ncbi.nlm.nih.gov/31004219 The following papers where not funded by sports watch companies: Validation of … Continue reading 1510. Funding of selected scientific papers about consumer grade heart rate monitors