Comparison of the Beta-Band Intermuscular Pool Coherence Between Chronic Non-specific Low Back Pain and Healthy Subjects

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Ghazi Salah; Hadian Rasanani Mohammad Reza; SHADMEHR AZADEH; TALEBIAN SAEED; OLYAEI GHOLAM REZA; HAJOUJ ELIE

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Journal: Archives of Neuroscience Year:2021 | Volume:8 | Issue:1 Page(s): 0-0

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Title

Comparison of the Beta-Band Intermuscular Pool Coherence Between Chronic Non-specific Low Back Pain and Healthy Subjects

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Keywords

Chronic Non-Specific Low Back Pain

Flexion-Extension Task

Beta Band Intermuscular Coherence

Pool Coherence

Pairwise Coherence

Flexion Relaxation Phenomena

Abstract

Objectives: The current study aimed to compare between the Chronic Non-Specific Low Back Pain (CNSLBP) and healthy subjects during four phases of the trunk Flexion-Extension Task (standing, flexion, relaxation, and extension phases) by using Pool Coherence as well as Pairwise Coherence of Beta Band Intermuscular Coherence (Bb-IMC) and Flexion Relaxation Phenomena. Methods: Twenty-four men with CNSLBP and 20 healthy men voluntarily participated in this study. All subjects performed three tests of Flexion-Extension Task (F-ET) while the surface electromyography (sEMGs) were recorded from the right erector spinal muscle of the lumbar region "1", left erector spinal muscle of the lumbar region "2", right gluteus maximus muscle"3", left gluteus maximus muscle"4", right hamstring muscle"5" and left hamstring muscle"6". Accordingly, group A contains muscles 1, 4, and 6 and group B consists of muscles 2, 3, and 5. The Pool Coherence (PC) and the Pairwise Coherence (PWC) for all the above-mentioned muscles were calculated using Beta-band intermuscular coherence analysis. Thereafter, the mean Pool Coherence (mPC) was considered for group A and group B for four phases of F-ET in three groups as following: CNSLBP patients group, healthy subjects group and the third group included all subjects that participated in this study, whether patients or healthy and it was called the general group. Moreover, the mean Pairwise Coherence (mPWC) among each pair of group A and B muscles was calculated for four phases of F-ET using Bb-IMC in CNSLBP patients and healthy subjects. Results: These results indicated a high value of A mPC in the general group and healthy subjects in the ﬂ exion phase, whereas the same A mPC in CNSLBP patients was high in all phases of F-ET. On the other hand, while B mPC was high in the general group and healthy subjects in the extension phase; it was high in all phases of F-ET in CNSLBP patients; B mPC in CNSLBP patients was high in extension, standing, and ﬂ exion phases. A mPWC and B mPWC were not signiﬁ cantly different between CNSLBP patients and healthy subjects in all phases of F-ET. However, only A mPWC "1-4" and the A mPWC "4-6" were signiﬁ cantly smaller in CNSLBP patients compared to the healthy subjects in the relaxation and ﬂ exion phases, respectively. Hence, we suggest Pool Coherence of Bb-IMC, not Pairwise Coherence of Bb-IMC, to compare CNSLBP patients and healthy subjects. Conclusions: According to the present ﬁ ndings, we suggest using the Pool Coherence of Bb-IMC in the clinical examination for CNSLBP patients and studying the probable cortical effects and the effectiveness of various treatments on corticospinal tract function in CNSLBP.

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APA: Copy

Ghazi, Salah, Hadian Rasanani, Mohammad Reza, SHADMEHR, AZADEH, TALEBIAN, SAEED, OLYAEI, GHOLAM REZA, & HAJOUJ, ELIE. (2021). Comparison of the Beta-Band Intermuscular Pool Coherence Between Chronic Non-specific Low Back Pain and Healthy Subjects. ARCHIVES OF NEUROSCIENCE, 8(1), 0-0. SID. https://sid.ir/paper/704195/en

Vancouver: Copy

Ghazi Salah, Hadian Rasanani Mohammad Reza, SHADMEHR AZADEH, TALEBIAN SAEED, OLYAEI GHOLAM REZA, HAJOUJ ELIE. Comparison of the Beta-Band Intermuscular Pool Coherence Between Chronic Non-specific Low Back Pain and Healthy Subjects. ARCHIVES OF NEUROSCIENCE[Internet]. 2021;8(1):0-0. Available from: https://sid.ir/paper/704195/en

IEEE: Copy

Salah Ghazi, Mohammad Reza Hadian Rasanani, AZADEH SHADMEHR, SAEED TALEBIAN, GHOLAM REZA OLYAEI, and ELIE HAJOUJ, “Comparison of the Beta-Band Intermuscular Pool Coherence Between Chronic Non-specific Low Back Pain and Healthy Subjects,” ARCHIVES OF NEUROSCIENCE, vol. 8, no. 1, pp. 0–0, 2021, [Online]. Available: https://sid.ir/paper/704195/en

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