Study note • PMID 24700160
Heart-rate variability and training-intensity distribution in elite rowers.
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
Elite endurance athletes may train in a polarized fashion, such that their training-intensity distribution preserves autonomic balance. (controlled study; elite athletes).
The abstract reports an association involving Recovery speed (not necessarily causation). Treat this as a signal, not a guarantee; confirm methods and context in the full paper.
Takeaways
What the abstract suggests
- • Study question: Elite endurance athletes may train in a polarized fashion, such that their training-intensity distribution preserves autonomic balance.
- • The abstract reports an association involving Recovery speed (not necessarily causation).
- • Population: elite athletes.
- • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.
Protocol
Protocol (as reported)
- • Intervention/exposure: heart, rate (vs comparison group).
- • Dose/time/duration: abstract doesn’t include enough detail; use the full paper’s methods section.
- • 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 (elite athletes) 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: elite athletes.
- • Comparator: comparison group.
- • Outcomes measured: Recovery speed.
- • Source: PubMed PMID 24700160 (2014) — International journal of sports physiology and performance.
Results excerpt
What the abstract reports
“Correlations (+/- 90% confidence limits) for Ln rMSSD were small vs TTT (r = .37 +/- .80), moderate vs time <LT(1) (r = .43 +/- .10), unclear vs LT(1)-LT(2) (r = .01 +/- .17), and small vs >LT2 (r = -.22 +/- .50).”
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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