Nev Sagiba pick: “Tsukuri – Preparatory Moves for Nage Waza,” by Elie A. Morrell, Shichidan

Stan, this is so good and so well articulated I could not really hope to improve upon the content. Whilst it is pointed at Judo it is entirely relevant to Aikido, since all pushes in combat are in fact faster and therefore strikes.

“Preparatory moves are meant to disturb the CG and to move it outside the region of the base of support, thus making the opponent unstable. These moves are achieved by the application of what is technically called a torque on the opponent’s body. Torque itself is not a force but is a measure of the effectiveness of a force to produce some sort of rotation on the body, thus disturbing the CG and ultimately causing instability, or breaking of the balance.”

Click here to read entire article.


  1. A little more here…

  2. Worth reading in its entirety.

  3. The other way to think about is the top body triangle bounded by the shoulders and hara and the top body triangle bounded by the feet and hara are of course connected to each other via the hara/center of gravity. The goal is to separate these 2 triangles or unbalance uke before you start applying force or throwing him/her- that is the difficult part. Doing so without uke even realizing it is the ultimate goal.

  4. Gary Ohama says:

    Evasions unbalance the attacker by making them turn to face the new position. In the turning movement response the feet are being moved and the body often is twisted, therefore unbalanced.

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