Ancillary Kebonsu
For each of the basic "core techniques"--"KEBONSU" there is an ancillary technique intended to show a comparitive or contrasting use of the biomechanics. These ancillary techniques are presented here in the same order as the primary YON MU KWAN core techniques.
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Ancillary Technique
#1 : Armpit Arm-bar
Drill:
The attacker executes straight grab to the wrist. The defender counters with a
rising motion, trapping partner’s wrist in the webbing between the thumb and
forefinger of the defender’s lead hand from beneath. Defender’s trailing
hand arc wide between attacker and defender and traps the partner’s wrist from
above in the trailing hands webbing. In a 180 degree pivot about the partner’s
wrist the defender’s wrist slides over the partner’s arm, and the
partner’s lead elbow is snugly held in the defender’s armpit as rising
pressure is applied to the partner’s lead wrist. Emphasis is added with hip
pressure induced by collapsing the defender’s knee in the direction of the
partner’s shoulder while strongly flexing the partner’s lead wrist towards
that same shoulder.
Points
to Ponder:
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The focus of this
technique is a balance between the stabilizing pressure exerted by the armpit on
the elbow joint and the lifting pressure applied at the wrist joint. The
dynamics of this motion often invites the defender to compromise his balance to
gain additional effect. This is evident in beginners who have not yet grasped
the simple effectiveness in accomplishing this technique with equal effort of
both the shoulders and the hips.
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Ancillary
Technique
#2 : Two-finger
Projection
Drill:
Attacker applies cross-hand wrist grab. The defender responds with sharp
downward tiger mouth strike to the partner’s wrist simultaneously clearing the
defender’s lead hand, and grasping the partner’s wrist. The defender’s
cleared lead hand cups the back of the partner’s hand with palm heel aligned
with the partner’s first row of knuckles. Pressure on the back of the
partner’s hand combined with restraint of wrist induces pain at the wrist
joint as it is hyper‑flexed.
Points
to Ponder:
·
This technique is named for the two-finger placement which is on the end
of the forearm, yet, not in support of the partner’s wrist. The wrist should
not be encircled with the defender’s entire hand, as this defeats the
mechanics of the technique.