Diaphragm Movement During Its Postural Function

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

31 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-05-22

Study Completion Date

2021-06-19

Brief Summary

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The aim of this study is to describe the movement of the diaphragm during postural activation of the trunk muscles in comparison with tidal breathing.

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Detailed Description

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Diaphragm movement will be measured by m-mode ultrasonography in a standing position. 30-35 healthy subjects will participate in the study. The movement of the diaphragm will be measured during tidal breathing then, during holding a load corresponding to 20% of the subject´s body weight and finally, during voluntary contraction of the trunk muscles. Trunk muscles contraction will be measured by a special device with pressure sensors placed on a trunk surface. Breathing activity will be measured by spirometry.

Conditions

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Diaphragm Movement

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Signed informed consent form
* Able to comply with the study protocol, in the investigator's judgment
* Aged 20-40 years, inclusive
* Healthy as determined by the Investigator based on medical history, physical examination, vital signs and neurological examination
* Waist-to-height ratio \< 0,59

Exclusion Criteria

* Low back pain (acute or chronic)
* Previous abdominal or spine surgery
* Acute or chronic respiratory or musculoskeletal disorder
* Any clinically significant illness, medical/surgical procedure or trauma within 4 weeks before initiation of the study
* Pregnancy

Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes