https://youtu.be/nxcyweAvO5k BJM's Greg Poole explains the data collected for the new stress tracking from day 1 of the National Field Archery Association Rushmore Rumble and gives his thoughts on it all. Greg tested 10 pre-selected archers using 4 reference marks. 1- Before shooting started, 2- before 1st end for score, 3- At half, 4- right after the round was done. The data was collected using a Pulse Oximeter and shows both the heart rate and blood oxygen levels of the archers. Archers tested are Bow Life TV-Levi Morgan, Jesse Broadwater, Chance Beaubouef, Paige Pearce, Christopher Perkins - Professional Archer, Keith Trail, Donnie Thacker, Stephan Hansen, Kyle Douglas - Professional Archer and Shane Wills