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홍종한(Hong, Jong Han),김진오(Kim, Jin Oh),이동찬(Lee, Dong Chan),박광훈(Park, Kwang Hun) 한국소음진동공학회 2013 한국소음진동공학회 논문집 Vol.23 No.1
This paper experimentally deals with the excitation by functional electrical stimulus(FES) and the response of electromyo-potential at the muscles of antebrachial joint in a human body. The excitation of FES, which results in the contraction of the muscles and thus the flection of the joint, shows that the flection angle of the joint is proportional to the magnitude of the stimulus current. The response of electromyo-potential measured according to the FES shows the linearly-proportional relation between the joint torque and the electromyo-potential. The results can be used for active motion of joint rehabilitation.
홍종한(Hong, J.H.),전한용(Chun, H.Y.),전재현(Jeon, J.H.),정순일(Jung, S.I.),김진오(Kim, J.O.),박광훈(Park, K.H.) 한국소음진동공학회 2011 한국소음진동공학회 논문집 Vol.21 No.10
This paper experimentally deals with the relationship between the ankle electromyogram(EMG) and walking motion in order to activate the ankle joint of a walking-assistance robot for rehabilitation. Based on the anatomical structure and motion pattern of an ankle joint, major muscles were selected for EMG measurements. Surface EMG signals were monitored for several human bodies at various stride distances and stride frequencies. Root-mean-squared magnitude of EMG signals were related with the walking conditions. It appeared that the magnitude of the ankle EMG signal was linearly proportional to the stride distance and stride frequency, and thus to the walking speed.