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Study note

Personalized, Evidence-Informed Training Plans and Exercise Prescriptions for Performance, Fitness and Health.

PMID 34143410 (2021): taper, tapering — Time-trial performance (study note for endurance athletes).

Updated Jul 10, 2026

Read the study note

Study note • PMID 34143410

Personalized, Evidence-Informed Training Plans and Exercise Prescriptions for Performance, Fitness and Health.

Sports medicine (Auckland, N.Z.)2021 • DOI 10.1007/s40279-021-01495-w

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

A training plan, or an exercise prescription, is the point where we translate sport and exercise science into practice. (controlled study; athletes).

Effects on Time-trial performance are mixed or unclear from the abstract alone. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: A training plan, or an exercise prescription, is the point where we translate sport and exercise science into practice.
  • Effects on Time-trial performance are mixed or unclear from the abstract alone.
  • Population: athletes.
  • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.

Protocol

Protocol (as reported)

  • Intervention/exposure: taper, tapering.
  • Dose/time/duration: abstract doesn’t include enough detail; use the full paper’s methods section.
  • Outcomes: Time-trial performance.
  • 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 (athletes) working on tapering.
  • Athletes who can measure Time-trial performance 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: athletes.
  • Outcomes measured: Time-trial performance.
  • Source: PubMed PMID 34143410 (2021) — Sports medicine (Auckland, N.Z.).

Results excerpt

What the abstract reports

Another challenge is that the adaptation to a given, e.g.

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