Matthews is Associate Professor for Exercise Science, Montclair State University, New Jersey (USA) https://sites.google.com/site/evanmatthewseportfolio/home He is expert on exercise, cardiovascular health, dietary sodium, and physiology. Matthews has 21.500 followers on his Youtube channel Vivo Phys with 210 Youtube videos (26.7.2022) Matthews uses a Adinstruments PowerLab ECG setup: Single BioAmp https://www.adinstruments.com/products/bio-amps# 1 channel (single lead ecg), …