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Auditory feedback improves heart rate moderation during moderate-intensity exercise.

Alex Shaykevich1, J Robert Grove, Ben Jackson

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Automated heart rate (HR) feedback effectively trains individuals to regulate their HR during exercise. These improvements persist even after the feedback is removed, demonstrating lasting benefits for exercise intensity control.

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Area of Science:

  • Exercise Physiology
  • Behavioral Science

Background:

  • Heart rate (HR) regulation is crucial for maintaining moderate-intensity exercise.
  • Automated feedback systems offer a potential tool for enhancing exercise adherence and efficacy.

Purpose of the Study:

  • To assess if automated HR feedback improves HR regulation during exercise.
  • To determine the persistence of these improvements after feedback cessation.

Main Methods:

  • Twenty healthy adults underwent 10 exercise sessions with auditory HR feedback via a mobile app.
  • Participants maintained HR within 70-80% of maximum HR.
  • Assessments before, during, and 1, 2, and 4 weeks after feedback measured time in zone (TIZ) and perceived exertion.

Main Results:

  • Feedback training significantly improved TIZ compared to baseline (P < 0.01).
  • Improved TIZ was maintained at 1, 2, and 4 weeks post-feedback (P ≥ 0.35).
  • No significant changes in perceived exertion or attitudes were observed.

Conclusions:

  • Auditory biofeedback is effective for entraining HR regulation during moderate-intensity exercise.
  • Improvements in HR regulation are sustainable after feedback removal in healthy adults.