Part I. Methodology Basic Principles of Epidemiology and Biostatistics Diagnosis Treatment Prognosis Part II. Spinal Cord, Anterior Horn Cell, and Nerve Roots Amyotrophic Lateral Sclerosis Cervical Spondylosis Lumbar Spondylosis Part III. Peripheral Nerve Disease Polyneuropathy Paraproteinemic Neuropathies Vasculitic Neuropathy Guillain-Barré Syndrome Chronic Inflammatory Demyelinating Polyradiculoneuropathy Multifocal Motor Neuropathy Inherited Neuropathies Carpal Tunnel Syndrome Ulnar Neuropathy at the Elbow Part IV. Neuromuscular Junction Disorders Myasthenia Gravis Lambert-Eaton Myasthenic Syndrome Part V. Muscle Disease Inflammatory Myopathy Idiopathic Hyper-CK-emia Statin-Induced Myopathy Metabolic Myopathy Critical Illness Weakness, Myotonic Dystrophy Facioscapulohumeral Muscular Dystrophy Index