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Effects of respiratory muscle training versus placebo on endurance exercise performance.

PMID 11504589 (2001): respiratory, ventilation — Time to exhaustion (study note for endurance athletes).

Last updated/Feb 23, 2026, 10:34 PM

Study note • PMID 11504589

Effects of respiratory muscle training versus placebo on endurance exercise performance.

Respiration physiology2001 • DOI 10.1016/s0034-5687(01)00250-x
Evidence C60/100
Action 2: Consider

Worth trying if it fits your goal and context.

ELI5

In plain language

We evaluated the effects of a 5 week (25 sessions); (30-35 min/day, 5 days/week), respiratory muscle training (RMT) program in nine competitive male cyclists. (controlled study; n=8 trained cyclists).

The abstract suggests a positive effect on Time to exhaustion 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: We evaluated the effects of a 5 week (25 sessions); (30-35 min/day, 5 days/week), respiratory muscle training (RMT) program in nine competitive male cyclists.
  • The abstract suggests a positive effect on Time to exhaustion under the tested conditions.
  • Population: n=8 trained cyclists.
  • Protocol cues (title/abstract): 5 week • 5 days • 5 weeks • 35 min • 5 min • 30 min.

Protocol

Protocol (as reported)

  • Intervention/exposure: respiratory, ventilation (vs placebo).
  • Dose/time/duration cues in abstract/title: 5 week • 5 days • 5 weeks • 35 min • 5 min • 30 min • 8 km.
  • Outcomes: Time to exhaustion.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it helps, and who should skip it

Who it helps

  • Athletes similar to the study population (n=8 trained cyclists) working on breathing.
  • Athletes who can measure Time to exhaustion with a repeatable workout or time-trial effort.

Who should skip

  • 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 (placebo-controlled).
  • Population: n=8 trained cyclists.
  • Comparator: placebo.
  • Outcomes measured: Time to exhaustion.
  • Protocol cues mentioned: 5 week • 5 days • 5 weeks • 35 min • 5 min • 30 min • 8 km.
  • Source: PubMed PMID 11504589 (2001) — Respiration physiology.

Results excerpt

What the abstract reports

We propose that the effect of RMT on exercise performance in highly trained cyclists does not exceed that in a placebo group.

Note: excerpts are short; for full context, read the paper.

Limits

Limitations & 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