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Multivariate analysis of ultrasound-recorded dorsal strain sequences: Investigation of dynamic neck extensions in women with chronic whiplash associated disorders
Linköping University, Department of Medical and Health Sciences, Division of Physiotherapy. Linköping University, Faculty of Medicine and Health Sciences.ORCID iD: 0000-0002-6075-4432
Linköping University, Department of Medical and Health Sciences. Linköping University, Faculty of Medicine and Health Sciences. Uppsala University, Sweden.ORCID iD: 0000-0003-2492-0306
Umeå University, Sweden.
Umeå University, Sweden.
2016 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 6, 30415Article in journal (Refereed) Published
Abstract [en]

Whiplash Associated Disorders (WAD) refers to the multifaceted and chronic burden that is common after a whiplash injury. Tools to assist in the diagnosis of WAD and an increased understanding of neck muscle behaviour are needed. We examined the multilayer dorsal neck muscle behaviour in nine women with chronic WAD versus healthy controls during the entire sequence of a dynamic low-loaded neck extension exercise, which was recorded using real-time ultrasound movies with high frame rates. Principal component analysis and orthogonal partial least squares were used to analyse mechanical muscle strain (deformation in elongation and shortening). The WAD group showed more shortening during the neck extension phase in the trapezius muscle and during both the neck extension and the return to neutral phase in the multifidus muscle. For the first time, a novel non-invasive method is presented that is capable of detecting altered dorsal muscle strain in women with WAD during an entire exercise sequence. This method may be a breakthrough for the future diagnosis and treatment of WAD.

Place, publisher, year, edition, pages
NATURE PUBLISHING GROUP , 2016. Vol. 6, 30415
National Category
URN: urn:nbn:se:liu:diva-131168DOI: 10.1038/srep30415ISI: 000380660500001PubMedID: 27484361OAI: diva2:972165
Available from: 2016-09-20 Created: 2016-09-12 Last updated: 2016-10-12

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