Pain-induced changes in the activity of the cervical extensor muscles evaluated by muscle functional magnetic resonance imaging

Cagnie, Barbara, O'leary, Shaun, Elliott, James, Peeters, Ian, Parlevliet, Thierry and Danneels, Lieven (2011) Pain-induced changes in the activity of the cervical extensor muscles evaluated by muscle functional magnetic resonance imaging. Clinical Journal of Pain, 27 5: 392-397. doi:10.1097/AJP.0b013e31820e11a2

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Author Cagnie, Barbara
O'leary, Shaun
Elliott, James
Peeters, Ian
Parlevliet, Thierry
Danneels, Lieven
Title Pain-induced changes in the activity of the cervical extensor muscles evaluated by muscle functional magnetic resonance imaging
Journal name Clinical Journal of Pain   Check publisher's open access policy
ISSN 0749-8047
1536-5409
Publication date 2011-06
Sub-type Article (original research)
DOI 10.1097/AJP.0b013e31820e11a2
Volume 27
Issue 5
Start page 392
End page 397
Total pages 6
Editor Dennis C. Turk
Place of publication Philadelphia, PA, U.S.A.
Publisher Lippincott Williams & Wilkins
Collection year 2012
Language eng
Formatted abstract
Objectives: To investigate the effect of experimental neck muscle pain on the activation of the cervical extensor muscles during the performance of a cervical extension exercise by the use of muscle functional magnetic resonance imaging.

Methods: The activity of the multifidus, semispinalis cervicis, semispinalis capitis, and splenius capitis muscles was investigated bilaterally at 2 cervical levels (C2 to C3 and C7 to T1) in 15 healthy individuals. Measurements were taken at rest and after the performance of a cervical extension exercise without and with induced pain of the right upper trapezius (intramuscular injection of hypertonic saline).

Results: In the pain condition, the activity of the multifidus/semispinalis cervicis was reduced bilaterally at the C7 to T1 level (P=0.045). For the semispinalis capitis, there were no significant differences between both conditions. The splenius capitis showed a significantly higher T2 shift at the left side at the C2 to C3 level (P=0.008) and a lower T2 shift at the right side at the C7 to T1 level (P=0.023).

Discussion: This is the first study that has shown pain to immediately affect the activity of both deep and superficial cervical extensor muscle layers during a cervical extension exercise. The findings support recommendations for evaluation of cervical extensor muscle function early in the management of painful cervical spine injuries.
Copyright © 2011 by Lippincott Williams & Wilkins
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Authors' prepress title: "Experimental muscle pain induces a functional reorganization of the cervical extensor muscles during a neck extension exercise".

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Health and Rehabilitation Sciences Publications
 
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Created: Tue, 08 Mar 2011, 11:06:47 EST by Dr Shaun O'leary on behalf of School of Health & Rehabilitation Sciences