No Pain Associated With An Electromyography (emg)

Electromyography (EMG) and Nerve conduction Velocity are tests carried out together to measure muscle action potential and ones nerve conduction

. It helps find out more about the health of ones peripheral nerves, and if any nerve weakness or sciatica are caused by muscle disorders or nerve supply disorders.

It helps find out if a nerve is pinched, how severely it was pinched and where it is pinched. Electromyography also helps evaluate electrical activity in selected muscle fibers and lasts between half an hour to an hour.

The process

Basically, the quality of the results of an electromyography depends on the skill of the person administering the test. During the Nerve Conduction part of the test, electrodes are placed along the nerves course.

The nerve is then stimulated using a tiny electrical current, which is transmitted along so that the electrode placed down the arm or leg captures the signal as it passes by. Comparatively, signals transmitted by healthy nerves are faster and stronger than the signals transmitted by sick nerves.

In case of an EMG, the electrical activity of muscles is measured by placing acupuncture like needles into muscles to record the electrical signal from various arm and leg muscles. Muscles that dont receive sufficient signals from sick nerves broadcast signals that show a muscle is confused.

By comparing the results of Nerve Conduction Test and electromyography, your doctor will be able to assess which nerves were pinched, and the seriousness of the condition. This information then helps in deciding future treatment plans.

Preparation for an electromyography

There is not much of a preparation required for an electromyography. You have to lie down or sit during the test where one or more needles are inserted into the skin to a specific muscle or muscle group.

This done, you will have to contract the muscle by perhaps bending it wherein a waveform is traced and detected using an oscilloscope. A visual representation of the electrical variations on a CRT screen is shown in the oscilloscope as with muscle contraction, you find waveform spikes that show electrical activity in the muscle.

There is not much pain associated with an electromyography. At the most, you may experience some discomfort when the needles are pierced in your body at the start of the electromyography.

by:LeenaMarcos

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