Journal article

The Influence Of Rest Intervals on Countermovement Jump performances Following Low-intensity loaded Countermovement jumps

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Publication Details

Author list: Pojskic, Haris

Publication year: 2013

Start page: 28

End page: 35

Number of pages: 8

ISSN: 1318-2269

URL: http://www.kinsi.si/upload/clanki/065170_248.pdf


Abstract

The purpose of the study was to determine the influence of varying rest intervals on countermovement jump (CMJ) performances following low-intensity loaded countermovement jumps (LCMJs). Twenty-nine collegiate football players (age: 19.4 ± 1.1 years; height: 179.0 ± 5.1 cm; weight: 73.1 ± 8.0) from Tuzla University volunteered to participate in the study. They performed ten LCMJs using 15% of their 1 repetition maximum (1RM) squat. The subjects then executed a CMJ every 2 minutes until a total of 6 jumps had been completed. One-way repeated measures ANOVA showed significant differences in countermovement jump heights at various rest intervals, F(2.23, 62.3) = 40.5, p < 0.01, ??2 = .591. A Bonferroni post hoc test revealed that the CMJs performed after 4 minutes (CMJ, standard deviation = 39.5, 4.38 cm) were superior among all pairwise comparisons after 10 LCMJs. In conclusion, the low-intensity LCMJs performed by the college football players led to the highest CMJ performances 4 minutes after the LCMJs.

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Namen raziskave je bil ugotoviti vpliv razlicnih intervalov odmora na izvedbo skoka z nasprotnim gibanjem (CMJ) po seriji skokov z nasprotnim gibanjem nizke intenzivnosti z obremenitvijo (LCMJ). V raziskavi je prostovoljno sodelovalo 29 nogometašev študentov iz Tuzle (starost: 19,4 ± 1,1 let; višina: 179,0 ± 5,1 cm; teža: 73,1 ± 8.0 kg). Izvedli so 10 skokov LCMJ ob 15 % maksimalne vrednosti ene ponovitve (RM) pocepa. Nato so športniki izvedli skok CMJ vsaki dve minuti, dokler niso opravili skupaj šest skokov. Enosmerna ANOVA za ponovljene meritve je pokazala pomembno razliko pri višini skoka z nasprotnim gibanjem pri razlicnih intervalih odmora, F(2,23; 62,3) = 40,5; p < 0,01; ??² = .591. Z Bonferronijevim post hoc testom smo ugotovili, da je bil skok CMJ, izveden po 4 minutah (CMJ, standardni odklon = 39,5; 4,38 cm) najboljši od vseh parnih primerjav po izvedenih 10 skokih LCMJ. Zakljucimo lahko, da so nogometaši študenti pri izvajanju skokov LCMJ nizke intenzivnosti najbolje izvedli skok CMJ v 4. minuti po opravljenih skokih LCMJ.


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