The Canon of Judo elbow, kneecap, side of the palm, shoulder, or head, to attack the opponents vital points. Lastly before going into each technique in detail, the book covers some basic concepts of techniques, such as Tai-sabaki (body control) and Hen-nou (adaptability). It can be surmised that throwing techniques have at least three phases: The Canon of Judo The Canon of Judo is a book that was originally published in 1956, and written by Kodokan 10th dan, Kyuzo Mifune (1883-1965). The book covers almost all of the Kodokan recognized techniques, adds variations and new techniques, including Do-Jime in passing as well. The book
Dan (rank) always use the term Duanwei. Korean martial arts lacked a grading system up until the Japanese occupation (1910–1945) during which a variety of Japanese martial arts were introduced into the Korean school system, most notably judo, karate-do and kendo. After the occupation ended, newly emerging martial arts like taekwondo, tang soo do, soo bahk do and hapkido adopted the dan (단, 段) and "geup" (급, 級) ranks. The dan rank system is also used by "baduk" players. Nowadays, the Korea Taekkyon Association also issues dan ranks to "taekkyeon" practitioners. Someone who has received a dan rank is called a "yudanja"