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KMID : 1155620130080020039
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Journal of Korea CHUNA Manual Medicine for Spine & Nerves
2013 Volume.8 No. 2 p.39 ~ p.46
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The Association between Cross-section of Lumbar Regional Muscle analyzed by MRI and Stability, Center of Pressure assessed by Tetrax
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Seong Ik-Hyun
Lee Kap-Soo
Jung Jae-Hoon
Kim Won-Woo
Cho Chang-Young
Ha In-Hyuk
Choi Chul-Woo
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Abstract
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Objectives : To identify the association between cross-sectional area of lumbar regional muscle and stability(ST), center of pressure(COP) assessed by tetrax.
Methods : Patients(n=55) who had taken L-SPINE MRI and Tetrax(Sunlight, Israel) were analyzed retrospectively. To evaluate the cross-sectional area of lumbar regional muscle, L-SPINE MRI was used. Data of ST, COP were accumulated by using dynamic equilibrium analysis by Tetrax. Of the lumbar regional muscles, the Psoas muscles and the Paraspinalis muscles were examined. Using Pearson correlation, we analyzed COP, ST and the difference between the cross-sectional area of lumbar regional muscles.
Results : The variance of cross-sectional area of both sides of Psoas muscle and COP had moderate positive correlation(r=0.621). Between variance of cross-sectional area of both sides of Paraspinalis and lumbar regional muscle and COP there was low positive correlation(r=0.287, r=0.329) ST also had low correlation with variance of cross-sectional area of both sides of Psoas muscle.
Conclusion : The variance of cross-sectional area between both sides of Psoas muscle had moderate correlation with COP.
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KEYWORD
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Psoas muscle, Paraspinalis muscle, Center of Pressure, Stability, Tetrax, Lumbar regional muscle
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