The video explains correct (abdominal) breathing and the correct positioning of the iPhone during a measurement with a chest strap (e.g. Polar H10). Phone upside down in the waistband with the display facing outwards. During the paced breathing sections let the phone move only from your belly. https://breathtuner.app/wp-content/uploads/2022/10/TwoBreathHrm.mp4
Videoinstructions – camera
The video explains correct (abdominal) breathing and correct positioning of the iPhone during a measurement with the camera. During the paced breathing sections let the phone move only from your belly. In the pauses in between, the finger may be taken off the camera. https://breathtuner.app/wp-content/uploads/2022/10/TwoBreathCam.mp4
As of version 1.3.1 there is a new coherence analysis in BreathTuner. It displays a direct visual comparison between your breathing curve and your heart rate curve. For each breathing rate in a measurement or globally over all your measurements (different analysis pages) the two curves (breathing and heart rate) are displayed superimposed in time. […]
How does the automatic assessment work?
A “BreathTuner HRV” measurement consists of five breathing sections at different breathing rates. For each breath section, BreathTuner records your abdominal breathing and your heart beats. Various parameters are computed from this data. From comparisons within a measurement, but also over several measurements, we can then create high-quality recommendations regarding your individual best breathing rate. […]
Coherence breathing and heart rate
The most important metric for determining your optimal breathing rate is the relationship between your breathing and your heart rate. “BreathTuner HRV” is, to our knowledge, the only app that can accurately evaluate this correlation and generate a recommendation for your personal best breathing rate. This is possible because “BreathTuner HRV” can simultaneously record your […]