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A speckle tracking application of ultrasound to evaluate activity of multilayered cervical muscles
Umeå University, Faculty of Science and Technology, Department of Chemistry. (Computational Life Science Cluster (CLiC))
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2014 (English)In: Journal of Rehabilitation Medicine, ISSN 1650-1977, Vol. 46, no 7, 662-667 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To evaluate the capacity of the ultrasound-based method of speckle tracking analysis to detect changes in multilayered dorsal neck muscle activity induced by performing a lifting task. Subjects: Twenty-one healthy individuals. Design: Participants performed a loaded lifting task in 3 different postural orientations of the neck (neutral, flexed and forward head posture). Ultrasound images were recorded and speckle tracking analysis was used to quantify muscle deformation and deformation rate over 3 equal time-periods during the lifting sequence (rest, mid-lift and end-lift). Results: Significant main effects of postural orientation for the deformation measure (p<0.05) and time for the deformation rate measure (p<0.05) were observed in all dorsal muscles examined. Significant time by postural interactions for the deformation measure were observed in the trapezius, semispinalis cervicis and multifidus (p<0.05) and in the semispinalis cervicis (p<0.05) for the deformation rate measure. Conclusion: Speckle tracking analysis ultrasound measurements can detect differences in multilayered muscle activity of the dorsal neck induced by postural variations during a lifting task. Findings for the deformation and the deformation rate measures suggest that they quantify a different, albeit related, mechanical event during muscle contraction in a functional task such as lifting.

Place, publisher, year, edition, pages
2014. Vol. 46, no 7, 662-667 p.
Keyword [en]
ultrasound, muscle deformation, cervical muscles, speckle tracking, neck posture
National Category
Sport and Fitness Sciences Physiotherapy
URN: urn:nbn:se:umu:diva-91849DOI: 10.2340/16501977-1822ISI: 000339147600009OAI: diva2:741137
Available from: 2014-08-27 Created: 2014-08-18 Last updated: 2014-08-27Bibliographically approved

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Peolsson, MichaelTrygg, Johan
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