Nerve Conduction Studies (NCS)

Nerve Conduction Studies (NCS)

Nerve Conduction Studies (NCS) are often done at the same time as an electromyogram (EMG) to diagnose neurological diseases. An EMG measures the electrical activity of muscles at rest and during contraction. NCS measures how well and how fast the nerves can send electrical signals.

Peripheral Nerves exit spinal cord and control the muscles in the body with electrical signals. These electrical signals produce impulses and make the muscles react in specific ways. Nerve and muscle problems can cause the muscles to react in abnormal ways.

If you have pain, numbness, tingling, burning or weakness in the arms or legs your doctor may conduct these tests to find out what nerves are involved. These tests check to see how well your spinal cord, nerve roots, nerves and muscles that control your legs, are working.

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