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Evaluating serratus anterior muscle function in neck pain using muscle functional magnetic resonance imaging

Blair Sheard, James Elliott, Barbara Cagnie UGent and Shaun O'Leary (2012) JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS. 35(8). p.629-635
abstract
Objective: Muscle functional magnetic resonance imaging (mfMRI) quantifies exercise-induced alterations in soft-aqueous skeletal muscle as a surrogate measure of muscle activity. Because of its excellent spatiotemporal resolution, mfMRI can be used as a noninvasive evaluation of the function of muscles that are challenging to evaluate, such as the serratus anterior (SA) muscle. The purpose of this preliminary study was to investigate the feasibility of evaluating SA muscle function in individuals with neck pain compared with healthy controls using mfMRI. Methods: Muscle functional magnetic resonance imaging scans of the SA muscle were obtained before and immediately after an isometric upper limb exercise in 10 subjects with chronic ipsilateral mechanical neck pain and scapular dysfunction (scan on symptomatic side) and in 10 age-and sex-matched healthy subjects. Scans were recorded at 4 intervertebral levels (T6-7, T7-8, T8-9, and T9-10). Differences in water relaxation values (T2 relaxation) quantified from scans before and after exercise were calculated (T2 shift) as a measure of SA muscle activity at each level and compared between groups. Results: There were significant effects for level (P=.03) and significant group x level interactions (P=.04) but no significant main effect for group (P=.59). Post hoc tests revealed that significant differences in T2 shift values between levels were only evident in the healthy control group. Conclusions: This study demonstrated that despite some inherent challenges associated with imaging the SA muscle, mfMRI appears to have adequate spatiotemporal resolution to effectively evaluate SA muscle activity and function in healthy and clinical populations.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
EXERCISES, ALTERED ACTIVITY, OFFICE WORKERS, MRI, ACTIVATION, ARM, DYSFUNCTION, ELEVATION, TRAPEZIUS MUSCLE, LONG THORACIC NERVE, Neck Pain, Muscles, Functional MRI, Exercise
journal title
JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS
J. Manip. Physiol. Ther.
volume
35
issue
8
pages
629 - 635
Web of Science type
Article
Web of Science id
000312003000007
JCR category
REHABILITATION
JCR impact factor
1.647 (2012)
JCR rank
20/63 (2012)
JCR quartile
2 (2012)
ISSN
0161-4754
DOI
10.1016/j.jmpt.2012.09.008
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
4194521
handle
http://hdl.handle.net/1854/LU-4194521
date created
2013-12-03 11:18:17
date last changed
2016-12-19 15:43:18
@article{4194521,
  abstract     = {Objective: Muscle functional magnetic resonance imaging (mfMRI) quantifies exercise-induced alterations in soft-aqueous skeletal muscle as a surrogate measure of muscle activity. Because of its excellent spatiotemporal resolution, mfMRI can be used as a noninvasive evaluation of the function of muscles that are challenging to evaluate, such as the serratus anterior (SA) muscle. The purpose of this preliminary study was to investigate the feasibility of evaluating SA muscle function in individuals with neck pain compared with healthy controls using mfMRI.
Methods: Muscle functional magnetic resonance imaging scans of the SA muscle were obtained before and immediately after an isometric upper limb exercise in 10 subjects with chronic ipsilateral mechanical neck pain and scapular dysfunction (scan on symptomatic side) and in 10 age-and sex-matched healthy subjects. Scans were recorded at 4 intervertebral levels (T6-7, T7-8, T8-9, and T9-10). Differences in water relaxation values (T2 relaxation) quantified from scans before and after exercise were calculated (T2 shift) as a measure of SA muscle activity at each level and compared between groups.
Results: There were significant effects for level (P=.03) and significant group x level interactions (P=.04) but no significant main effect for group (P=.59). Post hoc tests revealed that significant differences in T2 shift values between levels were only evident in the healthy control group.
Conclusions: This study demonstrated that despite some inherent challenges associated with imaging the SA muscle, mfMRI appears to have adequate spatiotemporal resolution to effectively evaluate SA muscle activity and function in healthy and clinical populations.},
  author       = {Sheard, Blair and Elliott, James and Cagnie, Barbara and O'Leary, Shaun},
  issn         = {0161-4754},
  journal      = {JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS},
  keyword      = {EXERCISES,ALTERED ACTIVITY,OFFICE WORKERS,MRI,ACTIVATION,ARM,DYSFUNCTION,ELEVATION,TRAPEZIUS MUSCLE,LONG THORACIC NERVE,Neck Pain,Muscles,Functional MRI,Exercise},
  language     = {eng},
  number       = {8},
  pages        = {629--635},
  title        = {Evaluating serratus anterior muscle function in neck pain using muscle functional magnetic resonance imaging},
  url          = {http://dx.doi.org/10.1016/j.jmpt.2012.09.008},
  volume       = {35},
  year         = {2012},
}

Chicago
Sheard, Blair, James Elliott, Barbara Cagnie, and Shaun O’Leary. 2012. “Evaluating Serratus Anterior Muscle Function in Neck Pain Using Muscle Functional Magnetic Resonance Imaging.” Journal of Manipulative and Physiological Therapeutics 35 (8): 629–635.
APA
Sheard, B., Elliott, J., Cagnie, B., & O’Leary, S. (2012). Evaluating serratus anterior muscle function in neck pain using muscle functional magnetic resonance imaging. JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS, 35(8), 629–635.
Vancouver
1.
Sheard B, Elliott J, Cagnie B, O’Leary S. Evaluating serratus anterior muscle function in neck pain using muscle functional magnetic resonance imaging. JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS. 2012;35(8):629–35.
MLA
Sheard, Blair, James Elliott, Barbara Cagnie, et al. “Evaluating Serratus Anterior Muscle Function in Neck Pain Using Muscle Functional Magnetic Resonance Imaging.” JOURNAL OF MANIPULATIVE AND PHYSIOLOGICAL THERAPEUTICS 35.8 (2012): 629–635. Print.