Bozorgmehr, Ali, Ebrahimi Takamjani, Ismail, Akbari, Mohammad, Salehi, Reza, Mohsenifar, Holakoo, Rasouli, Omid. (1402). Reliability of Ultrasound Measurements of the Lumbar Multifidus and Transversus Abdominis Muscles during Lying and Unstable Sitting Positions in Individuals With and Without Chronic Low Back Pain. سامانه مدیریت نشریات علمی, 13(2), 157-168. doi: 10.31661/jbpe.v0i0.2003-1078
Ali Bozorgmehr; Ismail Ebrahimi Takamjani; Mohammad Akbari; Reza Salehi; Holakoo Mohsenifar; Omid Rasouli. "Reliability of Ultrasound Measurements of the Lumbar Multifidus and Transversus Abdominis Muscles during Lying and Unstable Sitting Positions in Individuals With and Without Chronic Low Back Pain". سامانه مدیریت نشریات علمی, 13, 2, 1402, 157-168. doi: 10.31661/jbpe.v0i0.2003-1078
Bozorgmehr, Ali, Ebrahimi Takamjani, Ismail, Akbari, Mohammad, Salehi, Reza, Mohsenifar, Holakoo, Rasouli, Omid. (1402). 'Reliability of Ultrasound Measurements of the Lumbar Multifidus and Transversus Abdominis Muscles during Lying and Unstable Sitting Positions in Individuals With and Without Chronic Low Back Pain', سامانه مدیریت نشریات علمی, 13(2), pp. 157-168. doi: 10.31661/jbpe.v0i0.2003-1078
Bozorgmehr, Ali, Ebrahimi Takamjani, Ismail, Akbari, Mohammad, Salehi, Reza, Mohsenifar, Holakoo, Rasouli, Omid. Reliability of Ultrasound Measurements of the Lumbar Multifidus and Transversus Abdominis Muscles during Lying and Unstable Sitting Positions in Individuals With and Without Chronic Low Back Pain. سامانه مدیریت نشریات علمی, 1402; 13(2): 157-168. doi: 10.31661/jbpe.v0i0.2003-1078

Reliability of Ultrasound Measurements of the Lumbar Multifidus and Transversus Abdominis Muscles during Lying and Unstable Sitting Positions in Individuals With and Without Chronic Low Back Pain

Journal of Biomedical Physics and Engineering
دوره 13، شماره 2، تیر 2023، صفحه 157-168    اصل مقاله (888.02 K)
نوع مقاله: Original Research
شناسه دیجیتال (DOI): 10.31661/jbpe.v0i0.2003-1078
نویسندگان
Ali Bozorgmehr1؛ Ismail Ebrahimi Takamjani* 1؛ Mohammad Akbari1؛ Reza Salehi2؛ Holakoo Mohsenifar1؛ Omid Rasouli3
1Rehabilitation Research Center, Department of Physical Therapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
2Rehabilitation Research Center, Department of Rehabilitation Management, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
3Department of Public Health and Nursing, Department of Mental Health, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
چکیده
Background: The reliability studies are limited to support ultrasound usage during dynamic conditions; for example, unstable sitting position. 
Objective: This study aims to examine the reliability of ultrasound measurements of the lumbar multifidus and transversus abdominis during lying and unstable sitting positions in individuals with chronic low back pain (CLBP) and asymptomatic individuals considering abnormal lumbar lordosis.
Material and Methods: In this observational study, intrarater within-day and between-day reliability of muscle thickness and contraction ratio of the lumbar multifidus and transversus abdominis muscles were assessed using ultrasound imaging. In total, 40 participants (27 with CLBP, 13 asymptomatic individuals) with abnormal lumbar lordosis were recruited. The degree of lumbar lordosis has been measured by a flexible ruler. The muscle thickness was assessed at lying and sitting on a gym ball for both muscles in three sessions. 
Results: Both groups had well to high ICCs of thickness measurement and contraction ratio in the transversus abdominis and lumbar multifidus muscles during both static (ICC=0.71-0.99) and semi-dynamic conditions (ICC=0.73-0.98). The standard error of measurements and minimal detectable changes were rather small in both groups.  
Conclusion: Ultrasound imaging is a highly reliable method to assess muscle thicknesses and contraction ratio of the transversus abdominis and lumbar multifidus during different conditions, even in patients with CLBP and abnormal lumbar lordosis. 
کلیدواژه‌ها
Reproducibility؛ Diagnostic Imaging؛ Back Muscles؛ Lumbar Lordosis؛ Transversus Abdominis؛ Low Back Pain
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