Physiology Commons^™

Impact Of Placement Of Fitbit Hr Under Laboratory And Free-Living Conditions, Hyun Chul Jung, Minsoo Kang, Nan Hee Lee, Soeun Jeon, Sukho Lee

Faculty and Student Publications

© 2020 by the authors. Wrist-worn activity monitors have become accessible for measuring physical activities, but an activity monitor's accuracy worn at different placements is not well understood. This study aimed to examine the differences in measurements of heart rates, step counts, and calories estimated from the fitness tracker worn at different locations and the accuracy of Fitbit HR against criterion measures. Thirty-two healthy adults participated in this study. Participants wore Fitbit HR at four different locations (right proximal, distal, and left proximal, distal). Treadmill exercise consisted of five 5-min phases including slow walking and jogging. Free-living activities involved ten …