Parameter standardization and Quantification of EMG signals for detection of muscle function of Knee Osteoarthritis Subjects

Abstract

Electromyography (EMG) signal representing the muscular activity plays a vital role in diagnosing various diseases and also in research activities. Hence, for proper analysis of EMG signals various parameters have to be extracted which helps in analysis and in turn speeds up the process of analysis when the extraction of parameters are automated. In this study, novel parameters that are standardized are start of wave and end of wave indicating the muscle activation duration, time and amplitude for the first and the last signal peak and finally, count of peaks with amplitude being greater than the 40% and 50% of highest peak in the EMG signal. These parameters are quantified by considering signals from subjects suffering knee Osteoarthritis and as a future work these parameters and their quantified values can be considered while analyzing signals from normal subjects and from subjects suffering with knee Osteoarthritis