This application is developed to study electromyography in English, German, French, Japanese, and Chinese for medical students and professionals such as physicians and nurses. It consists of 23 chapters: median nerve MCV, median nerve SCV, ulnar nerve MCV, ulnar nerve SCV, tibial nerve MCV, peroneal nerve MCV, sural nerve SCV, F wave, H reflex, repetitive nerve stimulation, needle electromyography, evoked potential, P300, and magnetic stimulation.