Multifidus Muscle Contractility Deficit Was Not Specific to the Painful Side in Patients with Chronic Low Back Pain During Remission: A Cross-Sectional Study
Journal of Pain Research, ISSN: 1178-7090, Vol: 15, Page: 1457-1463
2022
- 5Citations
- 5Captures
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Metrics Details
- Citations5
- Citation Indexes5
- Captures5
- Readers5
Article Description
Purpose: Morphology studies demonstrated that patients with chronic low back pain (CLBP) have bilateral multifidus muscle (LM) atrophy. This atrophy should result in LM contractility deficit bilaterally. Additionally, a recent study showed the effect of sex on LM thickness. Researchers proposed percentage LM contractility (LM) as standardization to enable the comparison across participants. This study aimed to determine side-to-side difference in LM and to determine the difference in LM between males and females. Patients and Methods: Twenty-five healthy individuals (NoLBP group; 10 males and 15 females) and 35 with CLBP (CLBP group; 16 males and 19 females; 23 unilateral pain and 12 bilateral pain) were recruited. Ultrasound imaging was used to measure LM thickness at rest, during maximum voluntary isometric contraction, and during combined maximum voluntary isometric contraction with electrical stimulation. These data were used to calculate LM. For unilateral CLBP, right and left LM were renamed to painful and non-painful sides. Results: Data demonstrated no significant difference (p > 0.05) between right (87.3 ± 13.7%) and left (87.2 ± 14.0%) in NoLBP, right (71.2 ± 15.7%) and left (76.5 ± 19.7%) in bilateral CLBP, and painful (70.3 ± 17.5%) and non-painful (77.7 ± 18.4%) in unilateral CLBP. No difference (p > 0.05) was found between males and females in both NoLBP (male 84.8 ± 6.5%, female 88.9 ± 15.4%) and CLBP groups (male 76.3 ± 15.5%, female 71.9 ± 14.0%). Conclusion: The findings suggested that LM contractility deficit in CLBP is not specific to painful side. No effect was found of sex on LM contractility. Therefore, we can use averaged LM activation across painful and non-painful sides and across males and females to compare between NoLBP and CLBP groups.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85131066826&origin=inward; http://dx.doi.org/10.2147/jpr.s363591; http://www.ncbi.nlm.nih.gov/pubmed/35615523; https://www.dovepress.com/multifidus-muscle-contractility-deficit-was-not-specific-to-the-painfu-peer-reviewed-fulltext-article-JPR; https://dx.doi.org/10.2147/jpr.s363591
Informa UK Limited
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