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A new DSP-based multichannel EMG acquisition and analysis system
G V Prasad1, S Srinivasan, K M Patil
1Department of Applied Mechanics, Indian Institute of Technology, Madras, India.
Abstract:
This paper describes the design of a digital signal processor based system for a personal computer for EMG data acquisition to monitor muscle activity during gait and to estimate the power spectrum of the acquired data under normal and pathological conditions. It also gives the hardware details of the velocity meter which is used to monitor the muscle activity with speed of walking. Software has been developed for system initialization, data acquisition, processing of acquired data, and data display for five channels. The developed equipment will be useful to clinicians for enhancing the understanding of a patient's dynamic performance.