Lecture

EMG: Nerve Conduction Experiment

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Description

This lecture focuses on studying nerve conduction between motor neurons and the muscle they innervate using EMG to measure muscle electrical activity. By applying a potential between skin electrodes, currents are created to depolarize axons, recruiting motor units and observing EMG signals. The process involves adjusting stimulus intensity to recruit all motor units, ensuring synchronization between stimulation and EMG recording. Different positions for nerve stimulation are explored, measuring distances and adjusting parameters to achieve optimal muscle depolarization. The lecture also covers the importance of electrode placement to avoid signal distortion and the impact of muscle structure on EMG signals.

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