Trunk muscle activation in a person with clinically complete thoracic spinal cord injury

Bjerkefors, Anna, Carpenter, Mark G., Cresswell, Andrew G. and Thorstensson, Alf (2009) Trunk muscle activation in a person with clinically complete thoracic spinal cord injury. Journal of Rehabilitation Medicine, 41 5: 390-392. doi:10.2340/16501977-0336

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Author Bjerkefors, Anna
Carpenter, Mark G.
Cresswell, Andrew G.
Thorstensson, Alf
Title Trunk muscle activation in a person with clinically complete thoracic spinal cord injury
Journal name Journal of Rehabilitation Medicine   Check publisher's open access policy
ISSN 1650-1977
1651-2081
Publication date 2009
Year available 2009
Sub-type Article (original research)
DOI 10.2340/16501977-0336
Open Access Status File (Publisher version)
Volume 41
Issue 5
Start page 390
End page 392
Total pages 3
Editor G. Gromby
Place of publication Uppsala, Sweden
Publisher Stiftelsen Rehabiliteringsinformation
Collection year 2010
Language eng
Subject 110601 Biomechanics
111703 Care for Disabled
920111 Nervous System and Disorders
C1
Abstract 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.
Keyword abdominal muscles
electromyography
maximal voluntary contraction
paraplegia
posture
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2010 Higher Education Research Data Collection
School of Human Movement and Nutrition Sciences Publications
 
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Created: Mon, 23 Nov 2009, 22:53:35 EST by Deborah Noon on behalf of School of Human Movement and Nutrition Sciences