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KMID : 0361420020260030321
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Journal of Korean Academy of Rehabilitation Medicine
2002 Volume.26 No. 3 p.321 ~ p.326
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A Quantitative Assessment of Knee Extensor Spasticity Using Isokinetic Dynamometer
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성덕현/Duk Hyun Sung
김종문/이강우/김상용/라윤주/정준용/박희동/유수진/Jong Moon Kim/Kang Woo Lee/Sang Yong Kim/Yun Ju Ra/June Yong Jung/Heui Dong Park/Soo Jin Yoo
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Abstract
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Objective: To find useful parameters in biomechanical assessment of spasticity.
Method: Knee extensor muscles of 60 limbs of 47 patients which showed clinical spasticity were stretched by isokinetic dynamometer. Stretch was done with the velocities of 60°/sec, 120°/sec, 180°/sec, 240°/sec. Four parameters [torque
onset
angle (TOA), peak torque angle (PTA), peak eccentric torque (PET), peak eccentric torque area (PETA)] were measured at each stretch velocity. Then, regression analysis was performed in relationship between each parameter and strech velocity. We
analysed
the correlation between the slope of each parameter in regression equation and clinical Modified Ashworth Scale (MAS).
Results: The slope of TOA and PTA had negative value so that they showed the decreasing trend of their value according to increasing velocity. On the other hand the slope of PET and PETA had positive value which meant that those parameters
increased according to increasing velocity. The slope of PET and PETA were correlated statistically. The higher the MAS score was, the larger value of slope of PET, PTEA were noted.
Conclusion: Peak eccentric torque and Peak eccentric torque area are thought to be useful parameters in biomechanical assessment of spasticity.
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KEYWORD
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