Vol. 6, No 2, 2008 pp. 169 - 179
UDC 796.12.2
Scientific Paper
THE EFFECT OF PLYOMETRIC TRAINING ON THE
EXPLOSIVE STRENGTH OF LEG MUSCLES OF
VOLLEYBALL PLAYERS ON SINGLE FOOT AND TWO-FOOT TAKEOFF JUMPS
Vladan Milić1, Dragan Nejić2,
Radomir Kostić2
1Serbian State University at Novi Pazar,
Department of Sport and Physical Education, Serbia
2University of Niš, Faculty of Sport
and Physical Education, Serbia
Abstract. In order to determine the effects of plyometric training
on the explosive strength of cadet volleyball players, we studied the effects
of a six-week plyometric training program during the second half of the
preliminary period of the annual training cycle. The sample consisted of
46 subjects aged 16 ( 6 months). The experimental group consisted of
23 volleyball players, with an average height of 186.35 8.52 and average
weight of 70.57 8.98. The control group consisted of 23 high school
students, with an average height of 177.35 4.80 and body weight of
68.91 6.48, who had not been exposed to the plyometric method as part
of their physical education classes. The sample of measuring instruments
consisted of eight tests of explosive leg strength: the two-foot takeoff
block jump, the right foot takeoff block jump, the left foot takeoff block
jump, the two-foot takeoff spike jump, the right foot takeoff spike jump,
the left foot takeoff spike jump, the standing depth jump and the standing
triple jump. Using a multivariate and univariate statistical method, we
were able to determine a statistically significant difference in explosive
strength in favor of the experimental group. We determined an increase
in explosive strength for the two-foot and single foot takeoff jumps.
Key words: plyometric training, explosive leg strength,
the two-foot takeoff jump, the single foot takeoff jump, volleyball techniques
UTICAJ PLIOMETRIJSKOG TRENINGA NA EKSPLOZIVNU
SNAGU NOGU ODBOJKAŠA
U OBENOŽNIM I JEDNONOŽNIM SKOKOVIMA
Sa ciljem da se istraži uticaj pliometrijskog treninga na eksplozivnu
snagu kadeta – odbojkaša – istraživana je primena pliometrijskog
treninga u toku šest nedelja u drugom delu pripremnog perioda godišnjeg
trenažnog ciklusa. Uzorak je brojao 46 ispitanika starih 16 godina (
6 meseci). Eksperimentalnu grupu je činilo 23 odbojkaša, telesne visine
186,35 8,52) i telesne mase 70,57 8,98. Kontrolnu grupu je činilo
23 učenika srednje škole telesne visine 177,35 4,80 i telesne težine
68,91 6,48) koji nisu primenjivali pliometrijski metod na časovima
fizičkog vaspitanja. Uzorak mernih instrumenata je činilo osam testova
eksplozivne snage nogu: Skok u bloku odrazom obenožno, Skok u bloku odrazom
desne noge, Skok u bloku odrazom leve noge, Skok u smeču odrazom obenožno,
Skok u smeču odrazom desne noge, Skok u smeču odrazom leve noge, Skok
u dalj s mesta i Troskok iz mesta. Multivarijantnom i univarijantnom statističkom
metodom utvrđena je značajna razlika u eksplozivnoj snazi nogu u korist
eksperimentalne grupe. Utvrđen je prirast eksplozivne snage za skokove
sa obenožnim i jednonožnim odražavanjem.
Ključne reči: pliometrijski trening, eksplozivna snaga nogu,
obenožni skok, jednožni skok, odbojkaške tehnike
