Eri teorioiden kokoaminen

Kano summarised his amalgamation of jūjutsu principles into the concept of ju-no-ri (avoid challenging an opponents’ force directly in favour of it to one’s advantage), which he often explained in biomechanical terms (Kano, 2005).

Scientific research in judo: a potted history

Mike Callan, i-dojo International Judo Research Unit, University of Hertfordshire, Hatfield, United Kingdom.