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Changes in dorsal neck muscle function in individuals with chronic whiplash-associated disorders: a real-time ultrasound case-control study
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Computational Life Science Cluster (CLiC))
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2016 (English)In: Ultrasound in Medicine and Biology, ISSN 0301-5629, E-ISSN 1879-291X, Vol. 42, no 5, 1090-1102 p.Article in journal (Refereed) PublishedText
Abstract [en]

Impaired neck muscle function leads to disability in individuals with chronic whiplash-associated disorder (WAD), but diagnostic tools are lacking. In this study, deformations and deformation rates were investigated in five dorsal neck muscles during 10 arm elevations by ultrasonography with speckle tracking analyses. Forty individuals with chronic WAD (28 women and 12 men, mean age = 37 y) and 40 healthy controls matched for age and sex were included. The WAD group had higher deformation rates in the multifidus muscle during the first (p < 0.04) and 10th (only women, p < 0.01) arm elevations compared with the control group. Linear relationships between the neck muscles for deformation rate (controls: R-2 = 0.24-0.82, WAD: R-2 = 0.05-0.74) and deformation of the deepest muscles (controls: R-2 = 0.61-0.32, WAD: R-2 = 0.15-0.01) were stronger for women in the control group versus women with WAD, indicating there is altered interplay between dorsal neck muscles in chronic WAD. 

Place, publisher, year, edition, pages
2016. Vol. 42, no 5, 1090-1102 p.
Keyword [en]
Whiplash injury, Ultrasonography, Neck muscles, Spine
National Category
Health Sciences
URN: urn:nbn:se:umu:diva-120620DOI: 10.1016/j.ultrasmedbio.2015.12.022ISI: 000373385300008PubMedID: 26921149OAI: diva2:953029
Available from: 2016-08-16 Created: 2016-05-18 Last updated: 2016-08-16Bibliographically approved

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Nilsson, DavidTrygg, Johan
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