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Purpose: The purpose of this quasi-experimental study was to compare the effects of plyometric exercises on jumping performance in adolescent male basketball players before, after week 4, and after week 8.
Methods: The 16 samples were collected after determining the sample size and using systematic random sampling to estimate the mean population once the population size was known. The experimental instrument was a plyometric exercise program performed 3 days per week for 8 weeks, as determined by the index of consistency (IOC) of 1.00. The tools used for data collection were standard tools: The G-walk version 9.0.0 (ERGSN-01134-20) Countermovement jump test and the Drop jump test; the Pearson simple correlation coefficients were 0.912 and 0.934, respectively. Descriptive statistics were percentage, mean and standard deviation and inferential statistics, including one-way analysis of variance with repeated measure. Statistical significance was set at the 0.05 level.
Results: The results found that one-way analysis of the variance of Countermovement jump and the Drop jump during pre-training showed that after the 4th week and after the 8th week, the differences were statistically significant. When the paired averages were compared, it was discovered that both the direction Countermovement jump and the Drop jump were significantly increased prior to training, after the fourth week of training, and after the eighth week of training.
Conclusion: Plyometric exercises can increase jumping ability, including counter movement jumps and drop jumps.
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