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unlike the discrete waveform from an ecg, the emg waveform is irregular. why is this?

Sagot :

Question: Unlike the discrete waveform from an ECG, the EMG waveform is irregular. ... Answer: An ECG records electrical activity from the heart. Unlike the heart, skeletal muscle does not contract in a fully synchronized fashion. Instead, an EMG records the unsynchronized electrical activity of many muscle fibers.