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Study note

Adaptation to hot environmental conditions: an exploration of the performance basis, procedures and future directions to optimise opportunities for elite athletes.

PMID 25380791 (2015): heat acclimation — Performance in heat, Time-trial performance (study note for endurance athletes).

Updated Jul 22, 2026

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Study note • PMID 25380791

Adaptation to hot environmental conditions: an exploration of the performance basis, procedures and future directions to optimise opportunities for elite athletes.

Sports medicine (Auckland, N.Z.)2015 • DOI 10.1007/s40279-014-0277-4

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: review.
  • 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

Extreme environmental conditions present athletes with diverse challenges; however, not all sporting events are limited by thermoregulatory parameters. (review; elite athletes).

In this review, the abstract reports associations involving Performance in heat, Time-trial performance (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: Extreme environmental conditions present athletes with diverse challenges; however, not all sporting events are limited by thermoregulatory parameters.
  • In this review, the abstract reports associations involving Performance in heat, Time-trial performance (not necessarily causation).
  • Population: elite athletes.
  • Protocol cues (title/abstract): 7 days • 14 days.

Protocol

Protocol (as reported)

  • Intervention/exposure: heat acclimation.
  • Dose/time/duration cues in abstract/title: 7 days • 14 days.
  • Outcomes: Performance in heat, 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 (elite athletes) working on heat.
  • Athletes who can measure Performance in heat, 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: review.
  • Population: elite athletes.
  • Outcomes measured: Performance in heat, Time-trial performance.
  • Protocol cues mentioned: 7 days • 14 days.
  • Source: PubMed PMID 25380791 (2015) — Sports medicine (Auckland, N.Z.).

Results excerpt

What the abstract reports

These effects were differentially greater for MTHA, which also demonstrated larger reductions in both endpoint exercise heart rate (STHA: -3.5 +/- 1.8 % vs MTHA: -7.0 +/- 1.9 %) and endpoint core temperature (STHA: -0.7 +/- 0.7 % vs -0.8 +/- 0.3 %).

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).
  • Reviews and consensus statements mix protocols and populations; recommendations may not match your exact constraints.
  • 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