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Which of the following is a preferred electrode for measuring EMG?

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Which of the following is a preferred electrode for measuring EMG?

(a) surface electrodes

(b) needle electrodes

(c) pregelled electrodes

(d) scalp electrodes

The question was asked in final exam.

The above asked question is from Electrodes for EMG in chapter Bioelectric Signal and Electrodes of Biomedical Instrumentation

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The correct answer is (b) needle electrodes

The best explanation: Electrodes for EMG work are usually of the needle type. Needle electrodes are used in clinical EMG, neurography and other electrophysiological measurements of the muscle tissues underneath the skin. Surface electrodes are preferred to measure ECG. Scalp electrodes for EEG.

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