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Old 11-21-2017, 07:52 PM   #1
Mark Harrington
Dojo: Aikido Arnis of Farmville
Location: Greenville, NC
Join Date: Jan 2010
Posts: 16
Is there Meaning or Significance to the numbers 5, 21, and 31?

Most Aikido styles that use weapons have a 5, 8, 21, and 31 step kata. I can see the 8 as a form that faces the cardinal directions and I have read some interesting explanations from John Steven's books on that one. Are there any known reasons for using the other numbers?
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Old 11-22-2017, 05:20 AM   #2
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erikmenzel's Avatar
Dojo: Koshinkai Leeuwarden
Location: Leeuwarden
Join Date: Feb 2002
Posts: 587
Re: Is there Meaning or Significance to the numbers 5, 21, and 31?

Well realizing there is a 13 step kata as well the sequence becomes clearer

1 1 2 3 5 8 13 21 34

Obviously the 31 kata is miscounted (yes we all screw up counting in that one ) and should be 34

This makes it clear that the next one should be 55 steps. Fibonacci numbers ftw

Erik Jurrien Menzel
kokoro o makuru taisanmen ni hirake
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Old 11-22-2017, 10:17 AM   #3
Dojo: Charlotte Aikikai Agatsu Dojo
Join Date: Aug 2007
Posts: 1,938
Re: Is there Meaning or Significance to the numbers 5, 21, and 31?

i am waiting for the 42 which is really the answer

"budo is putting on cold, wet, sweat stained gi with a smile and a snarl" - your truly
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Old 11-26-2017, 03:02 AM   #4
Join Date: Apr 2006
Posts: 2,308
Re: Is there Meaning or Significance to the numbers 5, 21, and 31?

All kata I have seen or done are done equally in left and right hanmi, then all katas are even unless there is a moved to change hanmi in the middle of the kata.

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Old 12-25-2017, 07:23 PM   #5
Dojo: Kitsap Aikido, Poulsbo, WA
Join Date: Oct 2015
Posts: 37
Re: Is there Meaning or Significance to the numbers 5, 21, and 31?

In Saito-shihan's Aikijo and Aikiken instructional videos he describes that the 13-count jo kata was a second jo kata that Kaiso [O-Sensei] taught him, but that the sole reason that it is only 13-count is because, in his words, "that is all I can remember."
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