Scientists measure healthy diaphragms to set new standard
NCT ID NCT03129386
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study used ultrasound to measure how much the diaphragm thickens during a sniff in 60 healthy adults. The goal was to define a normal range for this measurement, which could help doctors spot diaphragm problems in the future. Participants were grouped by age and gender to see if these factors affect the results.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this could provide doctors with a normal range to better diagnose diaphragm problems in patients.
- What could go wrong
- This is a small, observational study in healthy people only. It does not test any treatment, so results may not apply to patients with disease.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University Health Network
Toronto, Ontario, M5G 2N2, Canada
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