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Comparative Analyses of Effects of Posture Variations on Neuromuscular Efficiency of Para-vertebral Muscles in Patients with Low Back Pain
European Journal of Clinical and Biomedical Sciences
Volume 3, Issue 1, February 2017, Pages: 24-33
Received: Sep. 30, 2016; Accepted: Oct. 15, 2016; Published: Mar. 2, 2017
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Authors
Onigbinde Ayodele Teslim, Department of Medical Rehabilitation, Faculty of Basic Medical Sciences, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
Ayanlade Osuolale Basiru, Department of Physiotherapy, University of Calabar Teaching Hospital, Calabar, Nigeria
Olaoye Ayoola Olumide, Department of Medical Rehabilitation, Faculty of Basic Medical Sciences, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
Ibikunle Adeoye Folorunsho, Department of Physiotherapy, Obafemi Awolowo University Teaching Hospitals Complex, Ile-Ife, Nigeria
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Abstract
This study investigated the neuromuscular efficiency of patients with Low Back Pain (LBP) at different spinal postures using electromyographic indices [Spinal Muscle Electrical Activities (SMEA) and Root Mean Square (RMS)]. This was with the view to establishing if there would be significant differences between SMEA of patients with Low Back Pain (LBP) and that of apparently healthy participants at different spinal postures. Thirty (30) patients with non – specific low back pain and 32 apparently healthy participants were recruited using purposive sampling technique. The SMEA and RMS at different spinal postures (erect standing, 30°, 45°, 90° spinal flexions and 30° spinal extension) were measured with a portable electromyography machine (MyoTrac infiniti System T 9800). Spinalflexion was measured with universal goniometer while pain intensity was measured using Numeric Pain Rating Scale. Disposable pregelled, tripolar, self-adhesive Ag/Agcl electrodes were placed in pairs with distance of 2cm from each other and parallel to the Longissimusdorsi and multifidus muscle fibers. The Spinal Muscle Electrical Activities were recorded for each participant at each of the postures while maintaining maximum voluntary contraction for 10 seconds. Descriptive statistics, Student t-test and Analysis of Variance were used to analyze the data. The level of significance was set at ≤ 0.05. There were significant differences in SMEA and RMS at different spinal postures among patients with LBP (F = 29.20, p = 0.001; F = 40.55 respectively, p = 0.001). The SMEA of patients with LBP were significantly lower at all postures compared to that of the age matched apparently healthy participants excluding at 30° spinal extension (t = 2.04, p = 0.05; t = -0.20; p = 0.84). Also, there were significant differences between the RMS of patients with LBP and the age matched apparently healthy participants at 30°, 45° and 90°spinal flexion (t = 2-79, p = 0.01; t = 2.61, p = 0.01; t = 5.19; p = 0.001 respectively). It was concluded that different postures affected neuromuscular efficiency of patients with low back pain. Also, neuromuscular efficiency at the para-vertebral muscles of low back pain patients for most spinal postures were significantly lower than that of the apparently healthy participants.
Keywords
Spinal Muscle Electrical Activities, Root Mean Square, Low Back Pain, Spinal Postures, Neuromuscular Efficiency
To cite this article
Onigbinde Ayodele Teslim, Ayanlade Osuolale Basiru, Olaoye Ayoola Olumide, Ibikunle Adeoye Folorunsho, Comparative Analyses of Effects of Posture Variations on Neuromuscular Efficiency of Para-vertebral Muscles in Patients with Low Back Pain, European Journal of Clinical and Biomedical Sciences. Vol. 3, No. 1, 2017, pp. 24-33. doi: 10.11648/j.ejcbs.20170301.15
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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