On Surface EMG Spectral Characterization and Its Application to Diagnostic Classification
G.F. Inbar, Antonie E. Noujaim · IEEE Transactions on Biomedical Engineering · 1984
Surface EMG was recorded from the biceps with fixed muscle length at S0 percent maximal voluntary contraction. The signal bandpass was 10-230 Hz where most of the surface EMG energy is located. The signal sampled at 500 Hz was found to have a changing spectrum. Stationary segments of 500 ms were subject to linear prediction mathematics to model the system.