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Nerve conduction test for back pain3/7/2024 In one study, researchers used the NCV test to examine damage to the ulnar nerve, which provides sensation to the hands. The test is done along the path of the nerves on an arm or a leg, depending on the condition being investigated. Your doctor may want to perform the test in more than one location. The sensation may be uncomfortable, but it typically isn’t painful. If all limbs are tested, then it will be more than 1 hour. The entire test takes 20 to 30 minutes on one limb. One common test, for example, stimulates nerves in the finger and records the stimulus with two or more electrodes near the wrist. The nerve will be stimulated by a mild and brief electrical shock from the stimulating electrode.They may use a jelly or some kind of paste to help the electrode stick to the skin. Your doctor will place two electrodes on your skin, one that stimulates the nerve and one that records the stimulation.Your doctor will find the nerve to be tested.You may need to remove some clothing and wear a gown. ![]()
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