Changes in the normal characteristic pattern of abdominal muscle thickness in rowers with low back pain


Rankin, G., Stokes, M. and Newham, D. (2002) Changes in the normal characteristic pattern of abdominal muscle thickness in rowers with low back pain Clinical Rehabilitation, 16, (1), pp. 112-113.

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Description/Abstract

Royal Hospital for Neuro-disability, London and Applied Biomedical Research Group, GKT School of Biomedical Sciences, King’s College London Background: The relationship between the size and therefore force-generating capacity of individual abdominal muscles is unknown and may be influenced by various factors. The aim of this study was to investigate the normal relative contribution of individual muscles to total abdominal muscle thickness, and to examine the association with training and low back pain (LBP). Method: Three groups of male subjects (age range 18–30 years) were studied: elite rowers with (n = 10) or without (n = 20) current or previous LBP and age-matched controls (n = 18). Real-time ultrasound imaging was used to measure the external oblique (EO), internal oblique(IO), transversus abdominis (TA) and rectus abdominis (RA) bilaterally. The relative thickness of each muscle was expressed as a percentage of total abdominal muscle thickness. Results: The controls and rowers without LBP showed the same pattern of order of relative thickness. As a group the rowers with LBP were not signifiŽcantly different from the other two groups. However, as each rower with LBP showed a different pattern and considerable individual variation, analysis of group means was therefore inappropriate. Fisher’s Exact Test classifi Žed the rowers with LBP as showing signiŽfi cantly abnormal patterns (p < 0.05). An example of a rower with LBP is shown in Figure 1. Discussion: A characteristic pattern of relative abdominal muscle thickness was found in controls and rowers without LBP. In rowers with LBP the pattern was altered; this could be a cause or effect of LBP. Conclusions: Ultrasound imaging can be used to aid assessment of abdominal muscle involvement in LBP. Specific abnormalities could be addressed by individual exercise programmes, the effects of which need to be evaluated to provide evidence for rehabilitation.

Item Type: Article
ISSNs: 0269-2155 (print)
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Keywords: ultrasound imaging, abdominal muscles, rowers, low back pain
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ePrint ID: 58604
Date :
Date Event
2002Published
Date Deposited: 15 Aug 2008
Last Modified: 16 Apr 2017 17:36
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/58604

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