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University of Nebraska at Omaha

Health and Physical Education

Research Presentations

Photoplethysmographic techniques

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Examining The Validity Of Fitbit Charge Hr Tm For Measuring Heart Rate In Free-Living Conditions, Jung-Min Lee, Hyun-Sung An, Seoung-Ki Kang, Youngdeok Kim Jan 2016

Examining The Validity Of Fitbit Charge Hr Tm For Measuring Heart Rate In Free-Living Conditions, Jung-Min Lee, Hyun-Sung An, Seoung-Ki Kang, Youngdeok Kim

Research Presentations

Optical blood flow sensors (i.e. photoplethysmographic techniques) have recently been utilized in wearable activity trackers. The Fitbit Charge HRTM (FBHR) is one of the widely recognized wearable activity trackers that utilizes Fitbit’s proprietary PurePulse optical heart rate (HR) technology to automatically measure wrist-based HR. Despite its increasing popularity, however, no study to date has addressed the validity of FBHR for measuring HR in free-living conditions. PURPOSE: The purpose of this study was to examine the validity of FBHR for measuring HR using a chest strap Polar HR monitor (PHR) as a reference measure in free-living conditions. METHODS: Ten ...