Electromyography (EMG) is a test that checks the strength of the muscles and the nerves that control the muscles.An electromyogram (EMG) measures the electrical action of muscles very still and during compression. Nerve conduction concentrates on measure how well and how quick the nerves can send electrical signs. Nerves control the muscles in the body with electrical signs called impulses. These impulses make the muscles respond in particular ways. Nerve and muscle issues cause the muscles to respond in strange ways. On the off chance that you have leg torment or deadness, you might have these tests to discover how much your nerves are being influenced. These tests check how well your spinal nerves and the nerves in your arms and legs are working.

EMG is regularly utilized when individuals have side effects of shortcoming, and examination demonstrates hindered muscle quality. It can differentiate between muscle shortcoming brought about by damage of a nerve appended to a muscle and shortcoming because of neurologic issue.