THE EFFECTS OF RESISTED MULTI-DIRECTIONAL SPRINT TRAINING ON LEG MUSCULAR AND ANAEROBIC PERFORMANCE IN MALE JUNIOR TENNIS PLAYERS
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Abstract
The purpose of this study was to investigate and compare the effects of resisted multi-directional sprint training on leg muscular and anaerobic performance in male junior tennis players. Samples were twenty male junior tennis players, aged between 14-16 years, all subjects, matched by 1RM relative leg press strength were randomly assigned into 2 groups. The control group (n=10) performed a multi-direction sprint training and the experimental group (n=10) performed a resisted multi-directional sprint training. Both groups engaged in supervised training program twice a week for a total of 6 weeks. Relative strength, power, agility, speed, anaerobic power, and fatigue index were measured before and after the 6 weeks of training. Data were analyzed using mean, standard deviation, a paired sample t-test and independent sample t-test. The statistically significant was set at p-value < 0.05.
The results showed that after 6 weeks of training, the experimental group significantly increased relative strength, ower, agility, and decreased 5- and 10-sprint time (p<0.05)., meanwhile the experimental group developed relative strength and agility more than the control group at the statistical level of 0.05 (p<0.05).
In conclusion, it can be concluded that resisted multi-directional sprint training can develop relative strength, agility, speed, muscular power, and further applied training for enhancing leg muscular fitness in male junior tennis players.
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