This section provides a brief introduction to the philosophies and ideas that underlie Wado Ryu and distinguish it as a unique martial arts style. Many principles are foreign to karate styles, and are found to be principles Otsuka pulled from his earlier jujutsu and kenjutsu training.
The following 3 Mudana principles summarize the concept of Wado efficiency.
Muda na Chikara
Muda na Ugoki
Muda na Waza
No wasted power
No wasted motion
No wasted technique