Harmony Aikido was developed from Japanese Aikido for use by the whole world. Harmony Aikido students range widely in age and background. Anyone can learn: weak or strong, old or young, big or small, even those with disabilities. Students practice Harmony Aikido for their self, health, strength, enjoyment, discipline, control, good manners, movement, technique, to gain excellent qualifications as students and instructors of Aikido, and to learn true self-defense for modern day life.