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Updated: Jun 26, 2026
Assessment of Physical Activity Intensity with Accelerometers and Oxygen Consumption
Published on: June 20, 2025
Estimation of respiratory waveform and heart rate using an accelerometer
D H Phan1, S Bonnet, R Guillemaud
1International Research Center MICA, Ha Noi University of Technology-CNRS/UMI-2954-INP Grenoble, France. duy-hung.phan@mica.edu.vn
Abstract:
In this paper the use of an accelerometer to measure cardio-respiratory activity is presented. Movement of the chest was recorded by an accelerometer attached to a belt around the chest. The acquisition is realized in different status: normal, apnea, deep breathing or after exhaustion and also in different postures: vertical (sitting, standing) or horizontal (lying down). The resulting signal was compared with reference measurements. The results of experimental evaluation indicate that using a chest-accelerometer can correctly detect the respiratory waveform and heart rate (HR) signal. This method is therefore suitable for automatic identification some disease, for example arrhythmia or sleep apnea.
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