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Journal of the Korean Academy of Rehabilitation Medicine 1993;17(1):18-25.
Evaluation of spasticity in hemiplegic patients.
Han, Tai Ryoon , Kim, Jin Ho , Chun, Min Ho
Department of Rehabilitation Medicine , Seoul National University College of Medicine, Department of Rehabilitation Medicine , Dong Kug University College of Medicine
편마비 환자에서의 경직의 평가
한태륜, 김진호, 전민호, 김상범
서울대학교 의과대학 재활의학교실, 동국대학교 의과대학 재활의학교실

Measurements of spasticity are divided into two groups, subjective and objective methods. The examples of the subjective methods are Ashworth scale and Brunnstrom stage and there are various measures in the objective quantification of spasticity: biomechanical analyis(pendulum test, ramp and hold test), electrophysiologic testing(dynamic multichannel EMG, gait analysis, H reflexes, F waves).

The aims of this study are to identify variability and reliability of Cybex pendulum test, to compare the results of pendulum test and electrophysiologic tests of involved leg with those of univolved side, and to identify correlation of subjective measure of spasticity with objective measures in 25 hemiplegic patients with varing degrees of spasticity.

We conclude that:

1) Cybex pendulum test is a reliable method for evaluation of muscle spasticity.

2) Relaxation index, swing time and angular velocity of pendulum test, H/m ratio, F amplitude and F/M ratio are useful parameters for documenting spasticity in hemiplegic patients(especially RI is the most reliable parameters of all).

3) Subjective measure of spasticity(Modified Ashworth scale) correlates well with cybex pendulum test(especially with RI).

4) H amplitude correlates well with Brunnstrom stage 2&3, and also 3&4.

Key Words: Spasticity, Ashworth scale, Brunnstrom stage, Pendulum test, H reflex


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