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Alterations in the Mechanical Response of Deep Dorsal Neck Muscles in Individuals Experiencing Whiplash-Associated Disorders Compared to Healthy Controls: An Ultrasound Study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm, Centrum för klinisk forskning i Sörmland (CKFD). Department of Medical and Health Sciences, Physiotherapy, Linköping University, Linköping, Sweden.ORCID iD: 0000-0003-2492-0306
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2018 (English)In: American Journal of Physical Medicine & Rehabilitation, ISSN 0894-9115, E-ISSN 1537-7385, Vol. 97, no 2, p. 75-82Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The aim of this study was to investigate and compare the mechanical responses of dorsal neck muscles in individuals with whiplash-associated disorders (WAD) versus healthy individuals.

DESIGN: This study included 36 individuals with WAD (26 women and 10 men) and 36 healthy controls (26 women and 10 men). Ultrasound imaging with speckle tracking was used to measure deformation and deformation rate in five dorsal neck muscles during a neck extension task.

RESULTS: Compared with controls, individuals with WAD showed higher deformations of the semispinalis cervicis (P = 0.02) and multifidus (P = 0.002) muscles and higher deformation rates (P = 0.03 and 0.0001, respectively). Among individuals with WAD, multifidus deformation and deformation rate were significantly associated with pain, disability, and fatigue (r = 0.31-0.46, P = 0.0001-0.01).

CONCLUSIONS: These findings indicate that the mechanical responses of the deep dorsal neck muscles differ between individuals with WAD and healthy controls, possibly reflecting that these muscles use altered strategies while performing a neck extension task. This finding provides new insight into neck muscles pathology in patients with chronic WAD and may help improve rehabilitation programs.

Place, publisher, year, edition, pages
2018. Vol. 97, no 2, p. 75-82
National Category
Physiotherapy Physiology
Identifiers
URN: urn:nbn:se:uu:diva-342507DOI: 10.1097/PHM.0000000000000845ISI: 000423729500004PubMedID: 29016400OAI: oai:DiVA.org:uu-342507DiVA, id: diva2:1184518
Funder
Swedish Research CouncilSwedish Social Insurance Agency, RS2010/009Available from: 2018-02-21 Created: 2018-02-21 Last updated: 2018-03-19Bibliographically approved

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