The electrical conducting properties of the nerves are measured and it is determined whether the nerves are healthy, pinched in a certain location, or diffusely affected by disease. The test should be performed by or supervised by a physician who has special training in diseases of the peripheral nerves and muscles. This can diagnose nerve damage, pinched nerves, neuropathy, nerve pain, muscle spasm, and back and neck problems. These tests can be critical to the diagnosis of a chronic pain or neuromuscular condition. It records the electrical activity from the brain and/or spinal cord to a peripheral nerve root (found in the arms and legs) that controls muscles during contraction and at rest.ĮMG and Nerve Conduction Studies consist of nerve tests and muscle tests which help the doctor determine how the nerves and muscles are functioning. Electromyography, or EMG, is used to diagnose nerve and muscle dysfunction and spinal cord disease.
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