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KMID : 1137820110320010001
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의공학회지
2011 Volume.32 No. 1 p.1 ~ p.6
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Development of an Active Training System for Rehabilitation Exercise of Hemiplegic Patients
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Lee Min-Hyun
Son Jong-Sang
Kim Jung-Yoon
Kim Young-Ho
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Abstract
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An active training system has been developed to assist the upper extremity function in patients with spasticity. We also evaluated the performance of the developed assistive system in five normal subjects and one hemiplegic patient. The maximum voluntary contraction (MVC) tests for biceps brachii and triceps brachii were performed and the relationship between linear enveloped EMG signal and the elbow joint torque was found. In order to implement an active training, our system was designed to allow isokinetic movement only when the subject generates elbow joint motion larger than the pre-fixed threshold level. The proposed EMG-feedback control method could provide active exercises, resulting in better rehabilitation protocol for spastic patients.
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KEYWORD
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EMG-based active training system, Elbow joint, Spasticity, Upper limb rehabilitation, Exoskeleton
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