This issue of Neurologic Clinics, guest edited by Dr. Devon I. Rubin, will cover key topics in Electromyography. This issue is one of four selected each year by our series consulting editor, Dr. Randolph W. Evans. Topics discussed in this issue will include: Nerve Conduction Studies, Needle EMG, Electrodiagnostic Assessment of Uncommon Mononeuropathies, EDX Assessment of Uncommon Mononeuropathies, Electrodiagnostic Assessment of Radiculopathies, Electrodiagnostic Assessment of Plexopathies, Electrodiagnostic Assessment of Polyneuropathy, Electrodiagnostic Assessment of Myopathy, Electrodiagnostic Assessment of Neuromuscular Junction Disorders, Electrodiagnostic Assessment of Motor Neuron Diseases, Electrodiagnostic Assessment of Hyperexcitable Nerve Disorders, and EMG Case Examples.