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Abdominal Wall Evaluation in Low Back Pain

CompletedNCT01488760
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.

Brief summary (from the registry)

The purpose of this study was to evaluate feed-forward contraction of the transversus abdominis and thickness of the transversus abdominis, obliquus internus, and obliquus externus during calm and standardized respiration in low back pain patients and pain-free subjects.

Study details

Official title
Deep Abdominal Wall Muscle Dysfunction During Calm Respiration in Chronic Low Back Pain Patients
Conditions
  • Abnormally Decreased Muscle Contraction
Sponsor
University of Sao Paulo General Hospital
Start date
2009-12
Primary completion
2010-11
Sex
Female
Age range
from 20 Years to 60 Years
Healthy volunteers
true
Results posted
No results posted in this snapshot
Countries
Brazil
Total sites listed
1

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * For the low back pain group: women with history of non-specific chronic low back pain for more than three months * For the pain-free group: pain-free women Exclusion Criteria: * For both groups were: pregnancy, neurological condition, obesity (body mass index: BMI \>30), or previous spine or abdominal surgery. * For the low back pain group: rheumatology diseases other than low back pain. * For the pain-free group: any rheumatology disease.

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT01488760