Last Updated on February 14, 2024 by pg@petergamma.org Rob ter Horst want to sell us the Polar H10 chest strap as his best reference device: We are sports men as Rob, but our sport is practicing meditation. And we are physiologists at the level of th Swiss Federal Institute of Zurich in Switzerland. And we … Continue reading Who trusts the scientists Rob ter Horst & Ildar Rakhmatulin after what we have experienced with those?