期刊
JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY
卷 19, 期 3, 页码 E206-E213出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jelekin.2008.02.008
关键词
Parkinson's disease; Surface electromyography; Nonlinear signal analysis
资金
- TEKES Finnwell grant [38/06]
The aim of this study was to evaluate a variety of traditional and novel surface electromyography (SEMG) characteristics of biceps brachii muscle in patients with Parkinson's disease (PD) and compare the results with the healthy old and young control subjects. Furthermore, the aim was to define the optimal biceps brachii loading level that would most likely differentiate patients from controls. The results indicated that such nonlinear SEMG parameters as % Recurrence, % Determinism and SEMG distribution kurtosis, correlation dimension and sample entropy were significantly different between the PD patients and healthy controls. These novel nonlinear parameters, unlike traditional spectral or amplitude parameters, correlated with the Unified Parkinson's Disease Rating Scale (UPDRS) and finger tapping scores. The most significant between group differences were found in the loading condition where no additional weights were applied in isometric elbow flexion. No major difference of SEMG characteristics was detected between old and young control subjects. In conclusion, the novel SEMG parameters can differentiate the patients with PD from healthy control subjects and these parameters may have potential in the assessment of the severity of PD. (C) 2008 Elsevier Ltd. All rights reserved.
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