Section I. General Principles and a Phenomenology-Based Approach to Movement Disorders and Inherited Metabolic Disorders: 1. Treatable Metabolic Movement Disorders: the Top 10; 2. The Importance of Movement Disorders in Inborn Errors of Metabolism; 3. The Importance of Inborn Errors of Metabolism for Movement Disorders; 4. Imaging in Metabolic Movement Disorders; 5. Biochemical Testing for Metabolic Movement Disorders; 6. Genetic Testing for Metabolic Movement Disorders; 7. A Phenomenology-Based approach to inborn errors of metabolism with Ataxia; 8. A Phenomenology-Based Approach to Inborn Errors of Metabolism with Dystonia; 9. A Phenomenology-Based Approach to Inborn Errors of Metabolism with Parkinsonism; 10. A Phenomenology-Based Approach to Inborn Errors of Metabolism with Spasticity; 11. A Phenomenology-Based Approach to Inborn Errors of Metabolism with Myoclonus; Section II. A Metabolism-Based Approach to Movement Disorders and Inherited Metabolic Disorders: 12. Disorders of Amino Acid Metabolism: Amino Acid Disorders, Organic Acidurias, and Urea Cycle Disorders with Movement Disorders; 13. Disorders of Energy Metabolism: Glut1 Deficiency Syndrome and Movement Disorders; 14. Lysosomal Storage Disorders: Niemann-Pick Disease Type C and Movement Disorders; 15. Lysosomal Storage Disorders: Neuronal Ceroid Lipofuscinoses and Movement Disorders; 16. Syndromes of Neurodegeneration with Brain Iron Accumulation; 17. Metal Storage Disorders: Inherited Disorders of Copper and Manganese Metabolism and Movement Disorders; 18. Metal Storage Disorders: Primary Familial brain Calcification and Movement Disorders; 19. Disorders of Glycosylation and Movement Disorders; 20. Disorders of Post-translational Modifications / Degradation: Disorders of Autophagy and Movement Disorders; 21. Neurotransmitter Disorders: Disorders of Dopamine Metabolism and Movement Disorders; 22. Disorders of GABA Metabolism and Movement Disorders; 23. DNAJC12-deficient Hyperphenylalaninemia - An Emerging Neurotransmitter Disorder; 24. Vitamin-Responsive Disorders: Ataxia with Vitamin E Deficiency and Movement Disorders; 25. Vitamin-Responsive Disorders: Biotin-Thiamin Responsive Basal Ganglia Disease and Movement Disorders; 26. Disorders of Cholesterol Metabolism: Cerebrotendinous Xanthomatosis and Movement Disorders; 27. Purine Metabolism Defects: the Movement Disorder of Lesch-Nyhan Disease; 28. Disorders of Creatine Metabolism: Creatine Deficiency Syndromes and Movement Disorders; 29. Hereditary Spastic Paraplegia Related Inborn Errors of Metabolism; Section III. Conclusions and Future Directions: 30. Metabolic Movement Disorders in the Era of Next-Generation Sequencing; 31. Deep Brain Stimulation for Metabolic Movement Disorders; 32. Novel Therapeutic Approaches to Metabolic Movement Disorders; Closing Remarks: A Clinical approach to Inherited Metabolic Movement Disorders.