Assessing the Accuracy of Popular Commercial Technologies That Measure Resting Heart Rate and Heart Rate Variability https://www.frontiersin.org/articles/10.3389/fspor.2021.585870/full?&utm_source=Email_to_authors_&utm_medium=Email&utm_content=T1_11.5e1_author&utm_campaign=Email_publication&field=&journalName=Frontiers_in_Sports_and_Active_Living&id=585870 Front. Sports Act. Living, 01 March 2021 | https://doi.org/10.3389/fspor.2021.585870
