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Study note

Physiological, Psychological and Performance-Related Changes Following Physique Competition: A Case-Series.

PMID 33467243 (2020): physiological, psychological — Sleep quality, Recovery speed (study note for endurance athletes).

Updated Jul 22, 2026

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Study note • PMID 33467243

Physiological, Psychological and Performance-Related Changes Following Physique Competition: A Case-Series.

Journal of functional morphology and kinesiology2020 • DOI 10.3390/jfmk5020027

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

The purpose of this case-series was to evaluate the physiological, psychological and performance-related changes that occur during the postcompetition period. (controlled study; athletes).

The abstract suggests a positive effect on Sleep quality, 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: The purpose of this case-series was to evaluate the physiological, psychological and performance-related changes that occur during the postcompetition period.
  • The abstract suggests a positive effect on Sleep quality, Recovery speed under the tested conditions.
  • Population: athletes.
  • Protocol cues (title/abstract): 2 weeks • 4 weeks • 10 weeks.

Protocol

Protocol (as reported)

  • Intervention/exposure: physiological, psychological.
  • Dose/time/duration cues in abstract/title: 2 weeks • 4 weeks • 10 weeks.
  • Outcomes: Sleep quality, 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 (athletes) working on sleep.
  • Athletes who can measure Sleep quality, 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: athletes.
  • Outcomes measured: Sleep quality, Recovery speed.
  • Protocol cues mentioned: 2 weeks • 4 weeks • 10 weeks.
  • Source: PubMed PMID 33467243 (2020) — Journal of functional morphology and kinesiology.

Results excerpt

What the abstract reports

Participants tracked daily macronutrient intake daily for the duration of the study.

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