Type de document
Études primaires
Année de publication
2020
Langue
Anglais
Titre de la revue
Journal of Bodywork and Movement Therapies
Première page
293
Dernière page
302
Résumé
Introduction
With low back pain (LBP), remodelling of the lumbar soft tissues involves both trunk muscles and neighbouring passive connective tissues. The aim of the present study was to compare three quantitative measures of these tissues, using ultrasound imaging (USI), among healthy controls and individuals with LBP.
Methods
USI measures from 30 healthy subjects and 34 patients with non-acute LBP were compared between groups and sexes. The measures employed were (1) lumbar multifidus echogenicity (fatty/fibrosis infiltration) at three vertebral levels; (2) posterior layer thickness of the thoracolumbar fascia, and (3) thickness of the perimuscular tissues surrounding the external oblique, internal oblique and transversus abdominis (TrA).
Results
USI measures of (1) multifidus echogenicity showed statistically significant changes between vertebral levels and sexes (females > males; p = 0.02); (2) differences in thoracolumbar fascia thickness approached statistical significance between groups (LBP > controls; p = 0.09) and sexes (females < males; p = 0.07); and (3) perimuscular tissue surrounding the TrA was significantly thinner (p ≤ 0.001) in patients with LBP compared to controls.
Discussion
The thinner perimuscular tissues surrounding the TrA in patients with LBP is a new finding, concurring with previous findings with regard to the lower activation of this deep muscle as well as more recent findings on other perimuscular tissue.
Conclusion
Overall, USI measures were sensitive to different potential changes (pain status, sex, vertebral level), and this is useful in studying the remodelling of various soft tissues of the trunk.
Mots-clés
Maux de dos, Backache, Recherche sur la douleur, Research on pain, Écographie, Echography, Affection dorsale, Back disorder, Étude transversale, Cross-sectional study
Numéro de projet IRSST
2010-0022
Citation recommandée
Larivière, C., Preuss, R., Gagnon, D. H., Mecheri, H. et Henry, S. M. (2020). Structural remodelling of the lumbar multifidus, thoracolumbar fascia and lateral abdominal wall perimuscular connective tissues: A cross-sectional and comparative ultrasound study. Journal of Bodywork and Movement Therapies, 24(4), 293-302. https://doi.org/10.1016/j.jbmt.2020.07.009
Included in
Biomechanics Commons, Musculoskeletal Diseases Commons, Occupational Health and Industrial Hygiene Commons, Physical Therapy Commons