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West Shore Jujitsu |
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The Balance Vertical Balance is the secret. The ability to keep your own while taking away your opponents is the fundamental building block of all non ballistic forms of fighting. The Jujitsuka's push or pull, the Aikidoka's continuation of Ki, the Karateka's strike are focused on breaking the balance of Uke. When we take away Uke's balance we take away their ability to move or strike effectively.
When Tori needs Uke to take a step, he must first displace Uke's BV. The greater the angle of displacement, the larger the step. The way in which Tori makes Uke initiate the step, or even it's direction; is at the basic level, unimportant. The techniques of Judo and Juitsu are predicated on moving at least one part of Uke's BV out of alignment (head/shoulder unit, hips, leg/foot unit), while immobilizing the remaining pieces . In some techniques the immobilization is accomplished through mechanically blocking the movement with the feet, legs, hips, or torso. In other cases the immobilization is affected through inertia by moving a BV component quickly enough and far enough that Uke doesn't have time to re-align before the potential energy stored is released kinetically.
In general, techniques which rely completely on inertial immobilization are considered more advanced than those that use mechanical immobilization. As you perfect your skills in Kuzushi through continuous practice, you will find that every technique can be accomplished through inertia. That is the ultimate goal of Ju, or adaptation in our art.
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Hours:
Saturday practices are Airsoft Force on
Force. You will need an electric Airsoft gun, plastic bb's, and eye
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Doors open 15 minutes before class starts Dues and Fees
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The
human body is most efficiently balanced when the head, shoulders, hips, and
feet are vertically aligned. Call this the "Balance Vertical"(BV).
The action of movement is a process of continuously re-aligning this
vertical. 
One
step is a process of the leg and head/shoulder unit moving past the BV
causing us to fall forward. As we are falling, the hips move back into
the BV, followed by the leg, bringing the body back into alignment.
The distance covered in one step is directly proportional to the angle the
leg and head/shoulder unit are displaced from the BV.
An
example of mechanical immobilization is Tai Otoshi. When Tori is in
throwing position, Uke's upper body is extended well past the BV by being
twisted around Tori's leg, hip, and torso. Uke is unable to re-align
his BV because of Tori's blocking leg. 
An
example of inertial immobilization is Sumi Otoshi. In this technique,
Tori's off-balance places most of Uke's body weight on the front leg while
moving the head/shoulder unit well past the BV. There is no mechanical
blocking of Uke's body by Tori