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

Maxime Ceugniez   1 , MSc ;   Hervé Devanne   1 , PhD ;   Eric Hermand   1, 2 , PhD

1 ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société, Univ. Littoral Côte d’Opale, Univ. Lille, Univ. Artois, Dunkerque, France

2 UMR INSERM U1272 Hypoxie & Poumon, Département STAPS, Université Sorbonne Paris Nord, Bobigny, France

Corresponding Author:

  • Eric Hermand, PhD
  • ULR 7369 - URePSSS - Unité de Recherche Pluridisciplinaire Sport Santé Société
  • Univ. Littoral Côte d’Opale
  • Univ. Lille, Univ. Artois
  • 189b, Avenue Maurice Schumann, Centre Universitaire des Darses
  • Dunkerque, 59375
  • France
  • Phone: 33 328237357
  • Email: eric.hermand@univ-littoral.fr