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Preliminary evaluation of dorsal muscle activity during resisted cervical extension in patients with longstanding pain and disability following anterior cervical decompression and fusion surgery
Linköping University, Department of Medical and Health Sciences, Division of Physiotherapy. Linköping University, Faculty of Medicine and Health Sciences. University of Queensland, Australia.ORCID iD: 0000-0002-6075-4432
Umeå University, Sweden; Umeå University, Sweden.
University of Queensland, Australia.
Umeå University, Sweden.
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2015 (English)In: Physiotherapy, ISSN 0031-9406, E-ISSN 1873-1465, Vol. 101, no 1, 69-74 p.Article in journal (Refereed) Published
Abstract [en]

Objectives To compare mechanical activity (deformation and deformation rate) of the dorsal neck muscles between individuals with longstanding symptoms after anterior cervical decompression and fusion (ACDF) surgery and healthy controls. Design Preliminary cross-sectional study. Setting Neurosurgery clinic. Participants Ten individuals {mean age 60 [standard deviation (SD) 7.111 who had undergone ACDF surgery 10 to 13 years previously and 10 healthy age- and sex-matched controls. Main outcomes Mechanical activity of the different layers of dorsal neck muscles, measured at the C4 segment using ultrasonography (speckle tracking analysis) during a standardised, resisted cervical extension task. Results A significant group x muscle interaction was found for muscle deformation (Pless than0.03) but not for deformation rate (Pgreater than0.79). The ACDF group showed significantly less deformation of the semispinalis capitis muscle during the extension task compared with the control group [mean 3.12 (SD 2.06) and 6.64 (SD 4.17), respectively; mean difference 3.34 (95% confidence interval 0.54 to 7.21)]. Conclusions As the semispinalis capitis muscle is a powerful neck extensor, the finding of altered activation following ACDF surgery lends support to the inclusion of exercise to train neck muscle performance in the management of these patients. (C) 2014 Chartered Society of Physiotherapy. Published by Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 101, no 1, 69-74 p.
Keyword [en]
Extensor muscles; Neck surgery; Disc disease; Ultrasonography; Exercise
National Category
Clinical Medicine
URN: urn:nbn:se:liu:diva-114974DOI: 10.1016/ 000348292800009PubMedID: 25066646OAI: diva2:794138

Funding Agencies|Swedish Medical Research Council; Wenner-Gren Foundation; Queensland Health; University of Queensland (NHMRC CCRE Spinal Pain, Injury and Health)

Available from: 2015-03-10 Created: 2015-03-06 Last updated: 2016-03-23

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