level of performance intensive specific conditioning
is recommended. For younger players Begg (1973)
concluded that there is little value in embarking on
intensive training before the adolescent growth
spurt. Beggs' report of the death on the badminton
court of a 19-year-old girl found to have mitral
stenosis underlines the importance of medical
screening. This would particularly apply in
sedentary adults taking up badminton for recreation.
Apart from medical "screening" appropriate medical
attention to injury is important. Who to go to is not
always obvious to the injured player.
This study described the different biomechanical
characteristics between the smash, clear and the drop
shot of the elite badminton player (Chatzopoulos et
al., 2006). The results showed that the kinematics
pattern was similar between smash and clear strokes,
but different from drop shot. The wrist joint exerted
the greatest velocity and power in all three kinds of
strokes than the elbow and shoulder. We found the
extensor muscles of wrist were suffering the
eccentric contraction before contact. It is the reason
why the new learner is always experience the pain of
the wrist extensors. It is realized that the regular
training on the wrist extensors will reduce likelihood
of injury due to stress the wrist extensor through
eccentric contraction during acceleration phase.
To be able to master the skills of short service
backhand movement it is needed the process of
training. To get a good workout results then the right
training method is needed.
2 METHODS
The method was experimental study. The
experimental method is a research method used to
find the effect of certain treatment on another in
controlled condition. The instrument used in this
research is by using the test. The test used in this
research is a placement short service skill test in the
game Badminton which has the validity of 0.68 and
reliability 0.84. The population in this study is the
male badminton player. Of PB Champion Comal
Kabupaten Pemalang consisting of 20 players. They
are between 13-15 years old. The sampling
technique in this study used total sampling technique
that is all the individuals in the population were
sampled. The sample was all the players of PB
Champion Comal Kabupaten Pemalang consisting of
20 players.
On the day following the completion of practice
the subjects were given a retention and transfer test
(Goode and Magill, 1986). Results replicated
previous findings of contextual interference research
by showing a significant group by block interaction
between acquisition trials, retention, and transfer.
The random group performed better on both
retention and transfer than the blocked group. The
significant trial block by contextual interference
interaction also supports the generalizability of
contextual interference effects, as posited by Shea
and Morgan (1979), to the teaching of motor skills.
3 RESULTS
The calculation results are entered into the t-test
formula to obtain the value of t, the result of the
calculation can be seen in appendix 12. The
observed value was 2,768 in 5% significance level
and df=9 and the critical value was 2,262. This
means that t observed is greater than the value of t
critical value.
It means that the alternative hypothesis claiming
that: There is a significant difference in the effect of
a short backhand service exercise between three and
four times a week training on short backhand service
skills in badminton games. In PB Champion Carnal
Kabupaten Pemalang” was accepted.
4 DISCUSSION
From the means difference analysis, the means of
experimental group 18,1 is better than that of the
control group 16,7. This means that four times a
week short service backhand exercise is better than
the frequency of training three times a week on the
short backhand service skills in badminton games
for PB Champion Kabupaten Pemalang players. The
result of the analysis, it was found out that four time
a week exercise is better than the tree time a week
exercise for PB Champion Kabupaten Pemalang
players. Skill exercises including a short serve
backhand exercise with a frequency of four times a
week will be better than three times a week. The
intensity for four time a week exercise is relatively
high. Because skills training requires technical
oversight and remediation of the techniques
themselves, Skills training requires considerable
time and practice, in contrast to physical exercise
(Côté, et al., 2007; Strecher et al., 1986). Frequent
training will lead to better motor enhancement that
will facilitate the autonomous movements. Thus,
doing backhand short service shot will find no
significant problem. Skill training with three time a
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