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NCT07637331

The Effect of Respiratory Muscle Training on Cognitive Performance

Recruiting
NAAges 18–40InterventionalPrevention
Indiana University
~32 participants
Updated 2026-06-26 on ClinicalTrials.gov
What's tested:Inspiratory muscle training

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Diaphragm thickness
Measured over Baseline and after 8 weeks of training
+1 more outcome measured

Conditions

Respiratory Muscle Training

Explore related trials

Healthy Volunteers

NCT07637331

Where you'd take part

This study runs at 1 site. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.

  • Indiana University

    Bloomington, Indianastudy coordinator listed

    Recruiting

Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.

Study leadership

  • Blair Johnson, PhD · PRINCIPAL_INVESTIGATOR · Indiana University

Who to contact

Blair Johnson
[email protected]
812-855-8699
Email the study team

Opens a ready-to-send draft in your own email app — review before sending.

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Add a private profile and we'll compare every criterion below against your situation — and tell you which ones are met, uncertain, or excluding.

Check eligibility for this trial ~2 min · HIPAA-protected · delete anytime
Eligibility criteria

Inclusion

18-40 years old
Body mass index \<30 kg/m2
Naïve to IMT
\>75% of predicted forced expiratory volume in 1 second (FEV1) / forced vital capacity (FVC) (FEV1/FVC)
Access to smart phone or tablet with internet

Exclusion

Diagnosed:
Cardiovascular disease
Respiratory disease (including asthma)
Metabolic disease
Currently pregnant
Unable to adhere to the IMT protocol
Answering 'yes' to any of the questions on page one of the PAR-Q+
Abnormal cognition assessed via the Montreal Cognitive Assessment (score of 25 or less)
Self-reported color blindness
Significant acute or chronic medical, neurologic, or illness in the participant that, in the judgment of the Principal Investigator, could compromise subject safety, limit the ability of the participant to complete the study, and/or compromise the objectives of the study

What this trial measures

  • Diaphragm thicknessBaseline and after 8 weeks of training

    ultrasound measurements of diaphragm thickness

  • Cognitive performanceBaseline and after 8 weeks of training

    CAAPES performance with the higher percentage correct corresponding to a better performance.