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KMID : 0895820110210030013
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Journal of Oriental Rehabilitation Medicine
2011 Volume.21 No. 3 p.13 ~ p.20
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The Analysis of Erector Spinae Muscle on Difference of Functional Leg Length Inequality - through Meridian Electromyography
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Yoon Dae-Yeon
Choi Jin-Seo
Jeong Su-Hyeon
Kim Soon-Joong
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Abstract
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Objectives: We studied the clinical utility of meridian electromyography for the assessment of erector spinae muscle in functional leg length inequality.
Methods: We compared electrical activity between A group with a functional leg length inequality(n=17) and B group(n=23) in dynamic flexion-reextension state during five minutes. We analyzed amplitudes and areas of electrical activity and asymmetry index(AI).
Results: 1. The short leg sides were significantly higher electrical activity than the long leg sides in the experimental group and control group(p<0.05). 2. The AI of A group significantly higher than B group(p<0.05).
Conclusions: According to above results, there are correlations between erector spinae muscle and functional leg length inequality.
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KEYWORD
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Leg length inequality, Meridian electromyography
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