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Trunk muscle activation in a person with clinically complete thoracic spinal cord injury.
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
Swedish School of Sport and Health Sciences, GIH, Department of Sport and Health Sciences, Laboratory for Biomechanics and Motor Control.
2009 (English)In: Journal of rehabilitation medicine : official journal of the UEMS European Board of Physical and Rehabilitation Medicine, ISSN 1651-2081, Vol. 41, no 5, 390-2 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The aim of this study was to assess if, and how, upper body muscles are activated in a person with high thoracic spinal cord injury, clinically classified as complete, during maximal voluntary contractions and in response to balance perturbations. METHODS: Data from one person with spinal cord injury (T3 level) and one able-bodied person were recorded with electromyography from 4 abdominal muscles using indwelling fine-wire electrodes and from erector spinae and 3 upper trunk muscles with surface electrodes. Balance perturbations were carried out as forward or backward support surface translations. RESULTS: The person with spinal cord injury was able to activate all trunk muscles, even those below the injury level, both in voluntary efforts and in reaction to balance perturbations. Trunk movements were qualitatively similar in both participants, but the pattern and timing of muscle responses differed: upper trunk muscle involvement and occurrence of co-activation of ventral and dorsal muscles were more frequent in the person with spinal cord injury. CONCLUSION: These findings prompt further investigation into trunk muscle function in paraplegics, and highlight the importance of including motor tests for trunk muscles in persons with thoracic spinal cord injury, in relation to injury classification, prognosis and rehabilitation.

Place, publisher, year, edition, pages
2009. Vol. 41, no 5, 390-2 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:gih:diva-962DOI: 10.2340/16501977-0336PubMedID: 19363574OAI: oai:DiVA.org:gih-962DiVA: diva2:236644
Available from: 2009-09-24 Created: 2009-09-21 Last updated: 2011-05-05Bibliographically approved

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