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Age-related difference of the 15 Characteristics Variables in Surface EMG Signals Generated Under Constant Load Contraction  

Lee, Jin (강원대학교 삼척캠펴스 제어계측공학과)
Yoo, In-Gyu (연세대학교 재활학과)
Kim, Se-Dong (두원공과대학 전기과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.9, 2008 , pp. 1674-1680 More about this Journal
Abstract
The objective of this study is to compare age-related differences of 15 characteristic variables estimated from SEMG signals, which were obtained from the old group(62 subjects) and young group(72 subjects). The SEMG signals were recorded from biceps brachii muscle under sustained isometric elbow flexion contraction with constant load(4kg dumbbell) during 30 seconds. Ten time domain (ARV, RMS, MSA, MTA, ZC, MSF, MTF, MSD, MTD, MSS) and five frequency domain(MNF, MDF, $f_{max}$, $P_{max}$, $P_{to}$) variables were extracted from the SEMG signals and then statistically analyzed, respectively. The findings of the analysis indicate significant age-related differences in the SEMG signal during constant load contraction.
Keywords
Aging; surface EMG; Constant load muscle contraction;
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