
using  one  of  the  cutting  techniques  perfectly.
Therefore, it takes strength, formation and speed of
the slamming motion.
The basic slam technique in judo is a procedure
from  series  of  Kuzushi,  tsukuri  and  kake  motions.
After  eliminating  the  opponent's  equilibrium
(kuzushi), move the body to the attitude / position.
That is the technique when the uke loses its balance
(tsukuri). Then, proceed to the kick technique. The
pejudo  must concentrate  in  mastery of  tsukuri  and
must refine the kake, repeat the uchical exercises to
accelerate and refine elements of  kuzushi, Tsukuri,
and Kake.
Such  basic  techniques  must  be  mastered  by
every pejudo. In a game, slamming is very dominant
for gaining scores because slamming can break the
opponent's  defense  and  accelerate  the  victory.  So,
the technique must be trained and well controlled so
that the slamming is correct and accurate.
Previous research  has been done by Walgito in
2000 who examined about the relation among team‘s
cohesion, self-efficacy and the achievement of water
polo team of participants at PON  XV in Surabaya.
Further research was conducted by Yudi Kahfiyudi
in 2005 who examined the relation among strength
and elasticity and kickback techniques seoi nage in
judo, and the research conducted  by Rahmawati in
2013  that  examines  the  effect  of  explosive  power,
the  elasticity  and  reaction  speed  to  the  skills  for
starting  on  swimming  athletes  at  Ragunan  Sports
School Jakarta.
In a judo match, a perfect slamming executed by
a  tori  (who  slams)  against  his  opponent  (uke  who
slams  in  practice),  will  win  an  ippon.  In  a  judo
match,  the  author  often  see  the judoka performing
one  of  many  nage  waza  techniques,  namely  seoi
nage.  In  fact,  this  technique  is  offen  used  as  a
flagship  technique.  This  is  possibly  caused  by  the
beauty of this technique.
To  be  able  to  have  such  slamming  technique,
there  must  be  a  physical  training  first,  before  the
training for other aspects. Only with good physical
condition,  pejudo  will  be  ready  in  doing  the
exercises.  From  several  components  of  existing
physical  conditions,  it  can  be  classified  that  the
components  of  physical  conditions  that  need  to  be
given  in  the  slamming  practice  are  strength,
formation  and  reaction  speed  because  slamming
requires the basic components of physical strength,
velocity and reaction speed.
The strength, velocity and reaction speed are the
three  body/physical  components  that  are  very
important  in  Judo,  especially  when  for  the
movements  of  pulling,  lifting  and  slamming  with
flexible  body  movements  in  joint  space  (without
having  muscle  tension,  so  there  will  be  no
disturbance to the movement).
2 METHODS
This  study  uses  survey  method  by  looking  at
causality between variables. Data analysis technique
used  streaming  model  analysis  path.  This  path
analysis  technique  can  be  used  to  test  the  direct
effect  of  strength,  velocity  and  speed  reaction  on
seoi nage slamming technique.
The  target  population  in  this  study  was  all
female  athletes  of  lower  and  middle  class  who
participated in PORDA XII West Java Year 2014 in
Bekasi Regency. However, the accessible population
was judo ato of JIB judo association participating in
PORDA  XII  West  Java  Year  2014  in  Bekasi
Regency,  who  used  seitar  nage  technique  as  their
main  weapon,  as  many  as  20  people.  The  used
sampling technique was total sampling.
Strength  variable  was  measured  by  hand  grip
(Savva,  2014)  and  leg  dynamometer  test  (Alvares,
2015) and abdominal strength test (Learman, 2015),
measured  by  sit  and  reach  test  (Ayala, 2012).
Variable  of  reaction  velocity  was  measured  with
whole  body  reaction  test  (Shibata,  2015)  and  the
variable of seoi nage technique was measured  with
performance test of seoi nage skills. The used data
analysis techniques were SPSS 17.00 and Lisrel 8.80
program.
3 RESULTS AND DISCUSSION
From the data analysis result, there was obtained the
result of  structural model along  with coefficient  of
path  which  was  the  research  design.  The
constellations are as follows:
Figure 1: Constellations of Relation among Variables X1,
X2, X3, and Y.
From the picture above, the path coefficient can
be summarized as follows:
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