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Study note

Immersion with menthol improves recovery between 2 cycling exercises in hot and humid environment.

PMID 29533726 (2018): cold water immersion, recovery — Recovery speed (study note for endurance athletes).

Updated Jul 22, 2026

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Study note • PMID 29533726

Immersion with menthol improves recovery between 2 cycling exercises in hot and humid environment.

Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme2018 • DOI 10.1139/apnm-2017-0525

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: randomized trial.
  • Population relevance: mixed/unclear athlete specificity.
  • Consistency: single-study evidence.
  • Practical recommendation depends on tolerance, context, and whether it protects training consistency.

ELI5

In plain language

Endurance exercise performance is impaired in a hot and humid environment. (randomized trial; cyclists).

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: Endurance exercise performance is impaired in a hot and humid environment.
  • The abstract doesn’t indicate a clear change in Recovery speed under the tested conditions.
  • Population: cyclists.
  • Protocol cues (title/abstract): 10 min.

Protocol

Protocol (as reported)

  • Intervention/exposure: cold water immersion, recovery (vs comparison group).
  • Dose/time/duration cues in abstract/title: 10 min.
  • 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 (cyclists) working on recovery.
  • 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: randomized trial.
  • Population: cyclists.
  • Comparator: comparison group.
  • Outcomes measured: Recovery speed.
  • Protocol cues mentioned: 10 min.
  • Source: PubMed PMID 29533726 (2018) — Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme.

Results excerpt

What the abstract reports

After immersion, T(rec) was lower in CWI (-1.17 degrees C) than in CMWI (-0.6 degrees C).

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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