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특발성 파킨슨병 환자의 완서증 정량화를 위한 전환 내회전/외회전 운동의 각속도 측정
김지원,이요셉,신진영,이재호,권유리,권도영,박건우,엄광문,Kim, Ji-Won,Lee, Joseph,Shin, Jin-Young,Lee, Jae-Ho,Kwon, Yu-Ri,Kwon, Do-Young,Park, Kun-Woo,Eom, Gwang-Moon 대한의용생체공학회 2009 의공학회지 Vol.30 No.2
The purpose of this study is to investigate the angular velocity of forearm pronation/supination movement in Parkinson's disease patients, as a quantitative measure of the bradykinesia. Thirteen Parkinson's disease patients ($64{\pm}11.0$ yrs, male:6, female:7) participated in the experiments. The subjects' both right and left forearms were scored by a rater according to rapid alternating movement of hands category in the UPDRS (unified Parkinson's disease rating scale) and the angular velocity of forearm pronation/supination was measured at the same time. As analysis parameters, RMS (root mean square) angular velocity and RMS angle were used. The parameters showed negative correlation with the clinical score (RMS angular velocity: r= - 0.914, RMS angle: r= -0.749). The RMS angular velocity of all clinical scales were significantly different one another except for the non significant difference between those of scale 3 and 4. RMS angle of scale 0 was significantly different from those of scale 2, 3, 4 and that of scale 1 was significantly different from those of scale 3 and 4. This suggests that RMS angular velocity can be used for a quantitative measure of bradykinesia in motor examination.