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Study note

Associations Between Heart Rate Variability-Derived Indexes and Training Load: Repeated Measures Correlation Approach Contribution.

PMID 32881836 (2022): heart rate variability, hrv — Recovery speed (study note for endurance athletes).

Updated Jul 22, 2026

Read the study note

Study note • PMID 32881836

Associations Between Heart Rate Variability-Derived Indexes and Training Load: Repeated Measures Correlation Approach Contribution.

Journal of strength and conditioning research2022 • DOI 10.1519/JSC.0000000000003760

How to use this page

This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.

  • Design signal: controlled study.
  • Population relevance: athlete/trained context.
  • Consistency: single-study evidence.
  • Practical recommendation depends on tolerance, context, and whether it protects training consistency.

ELI5

In plain language

Davletyarova, K, Vacher, P, Nicolas, M, Kapilevich, LV, and Mourot, L. (controlled study; well-trained participants).

The abstract doesn’t indicate a clear change in Recovery speed under the tested conditions. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: Davletyarova, K, Vacher, P, Nicolas, M, Kapilevich, LV, and Mourot, L.
  • The abstract doesn’t indicate a clear change in Recovery speed under the tested conditions.
  • Population: well-trained participants.
  • Protocol cues (title/abstract): 4 weeks.

Protocol

Protocol (as reported)

  • Intervention/exposure: heart rate variability, hrv.
  • Dose/time/duration cues in abstract/title: 4 weeks.
  • Outcomes: Recovery speed.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it may help, and who should be cautious

Who it helps

  • Athletes similar to the study population (well-trained participants) working on monitoring.
  • Athletes who can measure Recovery speed with a repeatable workout or time-trial effort.

Who should be cautious

  • If you have symptoms or conditions that make the intervention risky, get professional guidance.
  • If you’re near race day and can’t safely test, defer the experiment.

Methods

What the study actually did

  • Design: controlled study.
  • Population: well-trained participants.
  • Outcomes measured: Recovery speed.
  • Protocol cues mentioned: 4 weeks.
  • Source: PubMed PMID 32881836 (2022) — Journal of strength and conditioning research.

Results excerpt

What the abstract reports

J Strength Cond Res 36(7): 2005-2010, 2022-This study aimed to evaluate whether similar associations between indexes derived from heart rate variability (HRV) analyses and training load (TL) could be obtained by using the commonly used Pearson correlation technique and the repeated measures correlation (rmcorr).

Note: excerpts are short; for full context, read the paper.

Limits

Limitations and bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

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Sources