NCT07637331
The Effect of Respiratory Muscle Training on Cognitive Performance
Recruiting
NAAges 18–40InterventionalPreventionIndiana UniversityInvestigator-initiated
~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
Where it's being run
1 sites across 1 statesIndiana1
Study leadership
- Blair Johnson, PhD · PRINCIPAL_INVESTIGATOR · Indiana University
Who to contact
Opens a ready-to-send draft in your own email app — review before sending.
Do you actually qualify for this trial?
Add a private profile and we'll compare every criterion below against your situation — and tell you which ones are met, uncertain, or excluding.
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.