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Autonomic Function Following Concussion in Youth Athletes: An Exploration of Heart Rate Variability Using 24-hour Recording Methodology
Published on: September 21, 2018
Reliability of postexercise heart rate recovery
L Bosquet1, F-X Gamelin, S Berthoin
1Département de Kinésiologie, Université de Montréal, Montréal, Canada. laurent.bosquet@umontreal.ca
International Journal of Sports Medicine
|July 7, 2007
Summary
Passive postexercise heart rate recovery reliability is inconsistent. Raw heart rate (HR) measurements are more reliable than Delta HR for assessing athletes and predicting mortality.
Area of Science:
- Exercise Physiology
- Cardiovascular Health
- Sports Science
Background:
- Passive postexercise heart rate (HR) recovery is a key metric for endurance athletes and clinical mortality prediction.
- Assessing the reliability of HR recovery is crucial for accurate performance and health evaluations.
Purpose of the Study:
- To evaluate the reliability of passive postexercise heart rate recovery measurements.
- To compare the reliability of raw HR versus Delta HR (exercise minus recovery HR).
Main Methods:
- Thirty healthy subjects underwent maximal and submaximal treadmill tests with passive recovery.
- Raw and Delta HR were calculated at 1, 2, 3, and 5 minutes post-exercise.
- Reliability assessed using intraclass correlation coefficients (ICC) and standard error of measurement (SEM).
Main Results:
- No significant bias was found between repeated HR recovery measures.
- Raw HR exhibited higher relative reliability (0.68–0.83 ICC) than Delta HR (0.43–0.71 ICC).
- Absolute reliability for raw HR remained stable (approx. 8% SEM), while Delta HR decreased over recovery time.
Conclusions:
- Passive postexercise HR recovery exhibits heterogeneous reliability.
- Raw HR measurement is the preferred method for describing postexercise HR recovery due to its superior reliability.
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