Is there a difference in the diaphragm activity or diaphragm thickness measured by ultrasound between top athletes (canoeists) and employees of the Hessing Foundation's Orthopaedic Clinics?

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00035905

Enrollment

Registered

2025-01-21

Start date

2025-01-23

Completion date

Unknown

Last updated

2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Reduced diaphragm function or diaphragm thickness

Interventions

Group 1: Diaphragm Ultrasound in Canoeists Group 2: Diaphragm Ultrasound in an averagely trained control group (hospital employees)

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Top athletes of the German Canoe Association Employees of the Orthopaedic Clinics of the Hessing Foundation

Exclusion criteria

Exclusion criteria: - Age < 18 - known diaphragm pathology - neuromuscular diseases - simultaneous participation in other clinical trials - paradoxical diaphragm movement in ultrasound - sonography impossible for anatomical or technical reasons - for OFK employees: physical activity more than 3x/week

Design outcomes

Primary

Measure	Time frame
Diaphragm Excursion of the right hemidiaphragm during quiet breathing	—

Secondary

Measure	Time frame
Diaphragmatic thickness and thickening fraction of the right hemi-diaphragm at rest and during forced breathing Diaphragmatic excursion during forced breathing	—

Countries

Germany

Contacts

Public ContactJulian Umlauf

Orthopädische Fachkliniken der Hessingstiftung

julian.umlauf@hessing-stiftung.de0049821909664

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026