Study note • PMID 30702370
Inspiratory Muscle Training: Improvement of Exercise Performance With Acute Hypoxic Exposure.
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: athlete/trained context.
- • Consistency: single-study evidence.
- • Practical recommendation depends on tolerance, context, and whether it protects training consistency.
ELI5
In plain language
To determine whether chronic IMT improves submaximal-exercise performance with acute hypoxic exposure. (randomized trial; n=9 trained participants).
The abstract reports an association involving Time to exhaustion (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: To determine whether chronic IMT improves submaximal-exercise performance with acute hypoxic exposure.
- • The abstract reports an association involving Time to exhaustion (not necessarily causation).
- • Population: n=9 trained participants.
- • Protocol cues (title/abstract): 40 min.
Protocol
Protocol (as reported)
- • Intervention/exposure: inspiratory muscle training, ventilation (vs comparison group).
- • Dose/time/duration cues in abstract/title: 40 min.
- • Outcomes: Time to exhaustion.
- • 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 (n=9 trained participants) working on breathing.
- • Athletes who can measure Time to exhaustion 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: n=9 trained participants.
- • Comparator: comparison group.
- • Outcomes measured: Time to exhaustion.
- • Protocol cues mentioned: 40 min.
- • Source: PubMed PMID 30702370 (2019) — International journal of sports physiology and performance.
Results excerpt
What the abstract reports
“The significantly faster TT times were accompanied by a higher average V E (pre vs post: 99.3 [14.5] vs 109.9 [18.0] L.min-1, P = .01) and absolute oxygen uptake (pre vs post: 3.39 [0.52] vs 3.60 [0.58] L.min-1, P = .010), with no…”
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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