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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
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Computational Life Science Cluster (CLiC))
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Computational Life Science Cluster (CLiC))
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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 (P<0.03) but not for deformation rate (P>0.79). 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.

Place, publisher, year, edition, pages
2015. Vol. 101, no 1, 69-74 p.
Keyword [en]
Extensor muscles, Neck surgery, Disc disease, Ultrasonography, Exercise
National Category
Physiotherapy
Identifiers
URN: urn:nbn:se:umu:diva-100750DOI: 10.1016/j.physio.2014.04.010ISI: 000348292800009PubMedID: 25066646OAI: oai:DiVA.org:umu-100750DiVA: diva2:807937
Available from: 2015-04-26 Created: 2015-03-09 Last updated: 2017-12-04Bibliographically approved

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