![]() ![]() The field of management and rehabilitation of motor disability is identified as one of the important application areas. The main reason for the interest in EMG signal analysis is in clinical diagnosis and biomedical applications. Detection of EMG signals with powerful and advance methodologies is becoming a very important requirement in biomedical engineering. Moreover, the EMG detector, particularly if it is at the surface of the skin, collects signals from different motor units at a time which may generate interaction of different signals. EMG signal acquires noise while traveling through different tissues. Hence, the EMG signal is a complicated signal, which is controlled by the nervous system and is dependent on the anatomical and physiological properties of muscles. The nervous system always controls the muscle activity (contraction/relaxation). The EMG signal is a biomedical signal that measures electrical currents generated in muscles during its contraction representing neuromuscular activities. This signal is normally a function of time and is describable in terms of its amplitude, frequency and phase. Biomedical signal means a collective electrical signal acquired from any organ that represents a physical variable of interest.
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