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Authors: MILO NAVOT, EMILIA FLORINA GROSU, MILO MICHAELA.
DOI: 10.24193/subbeag.63(1).02
Published Online: 2018-03-30
Published Print: 2018-03-30
pp. 13-26
VIEW PDF: THE ACUTE EFFECT OF YO-YO INTERMITTENT ENDURANCE TEST LEVEL 1
ABSTRACT. The purpose of this study was to compare volleyball block jump (VBJ) and volleyball attack jump (VAJ) height capacity after performing a conventional warm-up (CWU) and immediately after performing a Yo-Yo Intermittent Endurance Test-Level 1 (YYIE1). After two weeks of the preparation season, each one of thirty-experienced female and male volleyball players, ranged from regional to national level, performed eight VAJ and eight VBJ two minutes after CWU (pre-test), immediately continued with YYIE1, until reaching 80% of VO2max, then after two minutes rest, they performed again eight VAJ and eight VBJ (post-test). Results show a significant positive difference in both VBJ and VAJ between post- and pre-test. Statistical significance is present when comparing average and highest measures. In addition, the first jumps at post-test, which were performed immediately after YYIE1, were significantly higher than the first jumps at pre-test, which were performed immediately after CWU. We conclude that vertical jump (VJ) of volleyball players at a regional and national level, is higher when carried-out immediately after performing YYIE1 until reaching 80% of VO2max, than after CWU. Therefore, it should be considered as a warm-up for volleyball block and attack jump drills.
Keywords: vertical jump, volleyball block jump, volleyball attack jump, yo-yo intermittent endurance test-level 1, conventional warm-up.
