Essential of electrotherapy textbook covers the essential concepts of electricity, heat, cold, sound, electromagnetic radiations, light, and its application in therapy of various diseases and disorders. Moreover it includes basics of pain, wound healing, action potential and electro-diagnosis, furthermore step by step practical application of electro physical modalities used in physiotherapy. Out standing features: This straight forward text book presents up-to-date, research based information in a simple, clear, lucid, organized fashion. Essentials of electrotherapy book are filled with numerous photos, figures, flow charts and tables. Features user friendly essentials like, chapter content list, documentation tips, summary, references and a glossary.