Parts of Tegatana
2011

Parts of Tegatana
掌底部 (しょうていぶ) – The low part of the hand
尺骨部 (しゃくこつぶ) – Ulna bone
橈骨部 (とうこつぶ) – The radius bone
Fundamental Aikido Footwork and Terminology
2011
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Mokusou and Mokutou
2011
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Mokutou (黙祷) is “a silent prayer.” When we prayed for the Tohoku region at Hombu on April 26th, this word was used.
Mokusou (黙想) is “contemplation” or “meditation” and feels like the state in seiza before class starts.
Using them interchangeably in the dojo sounds strange. That would be like interchanging kampai and kempai during a toast at a birthday party.
Myakubu and Toukotsubu
2010
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脈部と橈骨部 or 脈搏部と橈骨部
(みゃくぶととうこつぶ) or (みゃくはくぶととうこつぶ)
These are a pain to type the kanji for, especially とうこつ because it sounds like ‘skull’ (頭骨) which is the incorrect kanji when talking about Aikido’s yonkyo (四教) – in this case it is 橈骨 which is a rare reading.
頭骨 vs. 橈骨
Actually, in Japanese 頭骨(とうこつ) and 橈骨(とうこつ) are homophones, and their respective meanings in English are also homophones! The former means ‘skull’ and the latter means ‘scull’ which is a type of oar in rowing (sport). It also means the radius bone of the forearm which kind of looks like an oar so that makes sense pictographically.
In yonkyo, Doshu instructs to press on myakubu (pulse-reading spot) for omote, and on toukotsubu (radius bone spot) for ura. This is to cause pain by pressing on nerve clusters in those areas.
Update: 2011.12.10 – Here is an image of the parts of the tegatana:

Parts of Tegatana
十二教
2010
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This makes it easy to remember the defenses, as well as the Japanese descriptions of the techniques.
一教 うで押さえ Ikkyo (Arm pin)
二教 小手回し Nikyo (wrist turn)
三教 小手ひねり Sankyo (Arm turn)
四教 手首急所押さえ Yonkyo (Forearm pin)
五教 短刀取り Gokyo (Tanto tori)
These are O-sensei’s kouden (traditional)
六教 肘固め Rokkyo (hiji-gatame)
七教 四方投げ Nanakyo (shiho-nage)
八教 回転投げ Hakkyo (kaiten-nage)
九教 角落とし Kyukyo (sumi-otoshi)
十教 小手返し Jyukkyo (kotegaeshi)
十一教 こし投げ Jyuikkyo (koshi-nage)
十二教 呼吸投げ Jyunikyo (kokyu-nage)
Thank you Takashi for this list.
Jo Suburi: 八の字
2010
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T pointed out that if I add my koshi when I do this suburi (and other suburi) it becomes stronger and the swooshing sound is louder, which is nice.
Also, this technique is called “haji-no-ji” which means in English “figure 8″. However, the shape of the movement is not OUR figure 8, it is the Japanese figure for eight which is 八.
Sayu Kokyuho
2010
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Udefuri undo is what Hombu calls the rotational swinging of the arms as the practitioner twists his hips left and right.
The version we do here is actually called sayu kokyuho (左右呼吸法) as confirmed by Kobayashi Sensei. I’ve always wanted to know a different name to distinguish the two.
Source: Video #5 at [10:42]

左右呼吸法
Going to Hombu: Japanese Lessons
2010
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Here are Japanese lessons for English speakers who are planning to visit Hombu dojo in Tokyo. They are free and downloadable. The speaking is even real and feels natural (as best as I can remember).
What is Maai?
2010
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The word maai is part of Aikido.
Perhaps there is no defined distance for maai (it makes sense since it roughly means ‘safe distance’ in fighting), but at least one dojo (Totuka dojo, a Youshin-kan affiliate) specified this distance as ikken (一間) – an old unit for a length measuring 1.8m. This is the same length as the long side of a tatami mat.1
Out of the corner of my ear sometimes I hear someone say, “Watch your maai.” What does that mean? What does the speaker want it to mean? It is a multi-dimensional construct that cannot be measured with a single SI unit. Does the speaker want more speed? Closer distance? More distance? More compassion for aite?
Through multiple accounts in Japanese texts (thanks K!), maai has several meanings: one is distance (starting and through a waza), another is timing, and another can be about (human) relationships. In Aikido, I like to think it is all three.
For those who are curious, it is pronounced /ma?ai/, not /mawai/ just like CO-OP is pronounced /ko?ap/ not /kowap/ or “co-wap”.
- http://www.seiseikai.org/totsuka/waza.html [↩]
Striking/Defense Body Parts Terminology (攻防用器)
2010
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握拳7種|開手8種|変種5種|腕部5種|足部8種|脚部3種|頭部7種|体部4種
握拳7種
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開手8種
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変手5種
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腕部5種
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足部8種
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脚部3種
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頭部7種
| 前頭骨 「ぜんとうこつ」 |
俗称おでこと云う部分。毛の生え際を用いる。 |
| 後頭骨 「こうとうこつ」 |
後頭の凸起部を用いる。 |
| 横頭 「よこあたま」 |
耳の上方の骨で、主として打込み又は頭突きに用いる。 |
| 目 | 目は守位の八方目だけでなく、眼光鋭くきらめいて、敵を驚恐、疑迷せしめ、心理的に威圧を加える為にも有効である。 |
| 口 舌 | 口は啖唾を吐きかけたり、悪口雑言を吐いて、敵を立腹させて虚を作らせたり、或は又甘言を以って懐柔軟化せしめる有力な武器。 |
| 声 | 声には動物の声を真似たり、奇声を発したり、大声を出して敵をまどわすのに用いて効果がある。 |
体部4種
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1.肩 2.背 3.腹 4.腰 |
以上の部位は、いずれも投技或いは、体当り等に用いる重要な器である。腹は押さえや逆の補助として用いられている。なおこの他形はないが、手音足音なども武器として用いられることもある。又、受身や廻転その他の防ぎ方の基礎になる重要な場所である。 |














































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