This paper is in the following e-collection/theme issue:

Wearable Devices and Sensors (1177) mHealth for Data Collection and Research (1223) Ubiquitous Health (uHealth) (135) Research Instruments, Questionnaires, and Tools (764) Novel Sensors and Data Acquisition Methods in Cardiology (232) Fitness Trackers and Smart Pedometers/Accelerometers (684) Cardiac Self-Management (151) e-Cardiology and Telemonitoring in Cardiology (226)

Published on in Vol 13 (2025)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/54871, first published .
Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Reliability and Accuracy of the Fitbit Charge 4 Photoplethysmography Heart Rate Sensor in Ecological Conditions: Validation Study

Authors of this article:

Maxime Ceugniez1 Author Orcid Image ;   Hervé Devanne1 Author Orcid Image ;   Eric Hermand1, 2 Author Orcid Image
Article Authors Cited by (6) Tweetations Metrics

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  2. Murai F, So R, Matsuo T. Self-assessment of cardiorespiratory fitness: evaluation of reliability and validity of a step test eliminating a step board. European Journal of Applied Physiology 2025;125(10):2999 View
  3. Kang M, Yoon H. Effect of urban green infrastructure on psychological and physiological responses under outdoor heat exposure: An experimental study. Building and Environment 2026;287:113811 View
  4. Rubio M, Novak R, Tratnik J, Kontić D, Bučar G, Kocman D. Urban Cycling Lab: A citizen science protocol for assessing and reducing exposure to environmental stressors among bike commuters. MethodsX 2025;15:103657 View
  5. Jiao Y. Validity and challenges of optical heart rate sensors in real-time classification of exercise intensity zones. Sensor Review 2026:1 View
  6. Martín-Ruiz J, Ruiz-Sanchis L. Agreement Between Reserve Heart Rate, Perceived Exertion and Wint Index During HIIT Using a Low-Cost ANT+ Armband in University Students. Sensors 2026;26(3):1049 View