EFFECTS OF UNILATERAL PLYOMETRIC TRAINING COMBINED WITH CHANGE OF DIRECTION ON PHYSICAL PERFORMANCE IN MALE HANDBALL PLAYERS
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Abstract
Purpose
This study aimed to investigate the effect of unilateral plyometric training combined with change of direction on physical performance in male handball players.
Methods
Twenty-four youth male handball players, aged range 18-25 years were recruited to participate in this study. The participants were assigned into 2 groups (n = 12/group). In group I, the participants underwent unilateral plyometric training combined with change of direction program and group II, the participants underwent bilateral plyometric training combined with change of direction program. All of two groups consisted a jumping followed by sprinting and changing direction for 6 sets of weeks 1-2, 8 sets of weeks 3-6 and 10 sets of weeks 7-8 of training day, twice a week for 8 weeks. Before and after 8-week of training, leg muscle power, agility, balance and repeated shuttle sprint ability were measured. Data was analyzed using dependent and independent-sample t-test to determine the statically significance level at p-value <.05.
Results
After 8 weeks of training, agility, balance performance of the dominant leg and repeated shuttle sprint ability were significantly greater (P<0.05) in both groups. And leg muscle power, balance performance of the non-dominant leg and repeated shuttle sprint ability increased only (p<.05) in group I. Moreover, muscle power, agility, balance and repeated shuttle sprint ability were no significantly (p<.05) between group I and group II at post-exercise.
Conclusion
Unilateral and Bilateral plyometric exercises combined with changes direction training program for 8 weeks can improve leg muscle power, agility, balance and repeated sprint ability. This training program has a potential of improving performance in handball players.
Article Details
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