This part tells us if the muscles are injured, and the pattern of injured muscles can determine if the problem is in the nerve in the extremity, the nerve root, the nerve plexus, or the muscles. We listen to the muscles while they are resting and while they are active. The second part, electromyography (EMG), involves placing a small needle with a microphone into several of your muscles. ![]() What you will feel when we stimulate is a small stinging sensation that goes down the arm or leg. This part tells us if the individual nerve is conducting that electric signal properly. We mimic the electric signal from your spinal cord with a small electric shock at one part of the nerve and record that impulse at another part of the nerve or at a muscle supplied by that nerve. ![]() The first part, the nerve conduction studies, tells us about the health of the nerves in the extremities.
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