RR interval signal quality of a heart rate monitor and an ECG Holter at rest and during exercise

Validity of the Polar V800 monitor for measuring heart rate variability in mountain running route conditions

(2018) Pere Caminal et al.   EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY

Comparison of Heart-Rate-Variability Recording With Smartphone Photoplethysmography, Polar H7 Chest Strap, and Electrocardiography

(2017) Daniel J. Plews et al.   International Journal of Sports Physiology and Performance

Comparison of Polar M600 Optical Heart Rate and ECG Heart Rate during Exercise

(2017) JOHN F. HORTON et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Validity of the Polar V800 heart rate monitor to measure RR intervals at rest

(2015) David Giles et al.   EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY

Concurrent Validity of Resting Pulse-Rate Measurements: A Comparison of 2 Smartphone Applications, the Polar H7 Belt Monitor, and a Pulse Oximeter with Bluetooth

(2015) Scott W. Cheatham et al.   JOURNAL OF SPORT REHABILITATION

Comparison of Polar®RS800G3™heart rate monitor with Polar®S810i™and electrocardiogram to obtain the series of RR intervals and analysis of heart rate variability at rest

(2014) Marianne Penachini da Costa de Rezende Barbosa et al.   CLINICAL PHYSIOLOGY AND FUNCTIONAL IMAGING

Comparison of three mobile devices for measuring R–R intervals and heart rate variability: Polar S810i, Suunto t6 and an ambulatory ECG system

(2010) Matthias Weippert et al.   EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY

Comparison of Omega Wave System and Polar S810i to Detect R-R Intervals at Rest

(2010) E. Parrado et al.   INTERNATIONAL JOURNAL OF SPORTS MEDICINE

Levels of agreement for RR intervals and short-term heart rate variability obtained from the Polar S810 and an alternative system

(2008) David Nunan et al.   EUROPEAN JOURNAL OF APPLIED PHYSIOLOGY

Validity and Reliability of Short-Term Heart-Rate Variability from the Polar S810

(2008) DAVID NUNAN et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE