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The study focuses on young volleyball players in Albania during the 12-week plyometric training in order to compare and evaluate the residence time in the air during the vertical jump performance through DJ40-60 test. Methods. Twenty young (male) volleyball players considered as the experimental group No = 10 and control group No. = 10 (age 17 ± 1) are participating in this study. Both volleyball groups were evaluated before and after 12 weeks. Only the experimental group developed 12 week of plyometric training with 2 sessions per week.The control group developed technical and tactical training with the ball. Besides anthropometric measurements they developed drop jump tests by jumping from the cube in height 40 cm and 60 cm Resulsts.The results showed a high correlation coefficient (r = 0,924) and statistically significant (sig. DOI: 10.5901/ajis.2015.v4n3p215

Time Air Changes of DJ 40-60 Plyometric Test for 12 Weeks Training in Young Volleyball Players in Albania