CHARACTERISTICS OF SPRINTING IN PRE-SCHOOL AND JUNIOR ELEMENTARY SCHOOL CHILDREN

Cilj ovoga rada je utvrditi karakteristike sprinterskog trčanja kod dječaka i djevojčica predškolske i mlađe školske dobi kao i razlike između dječaka i djevojčica u parametrima dinamike trčanja. Istraživanje je provedeno na uzorku od 133 dječaka i djevojčica u dobi od 3 do 10 godina. Pomoću sustava za elektronsko mjerenje izmjerena su vremena sprinterskog trčanja svakih 5 metara na dionici od 50 m kao i vrijeme startne reakcije. Izračunati su osnovni deskriptivni parametri, a razlike po spolu su analizirane univarijatnom analizom varijance. Dobiveni rezultati ukazuju kako se vrijeme u trčanju na 50 m i vrijeme startne reakcije skraćuje s povećanjem kronološke dobi ispitanika, dok se brzina nakon starta i maksimalna brzina trčanja povećavaju usporedo s povećanjem kronološke dobi ispitanika. Najnižu maksimalnu brzinu trčanja postižu trogodišnjaci i četverogodišnjaci, a najvišu brzinu postižu devetogodišnjaci i desetogodišnjaci. Analizom razlika između djevojčica i dječaka predškolske i mlađe školske dobi utvrđeno je kako po spolu u toj dobi nema statistički značajnih razlika u kinematičkim parametrima sprinterskog trčanjaThe aim of the paper was to determine the characteristics of sprinting in boys and girls of the preschool and and early school age, as well as to identifythe differences in parametres of running dynamics between boys and girls. The research has been conducted on a sample of 133 boys and girls of 3 to 10 years of age. The times of sprints on each five metres in a 50 metres lap and the time of starting reaction were measured with a system for electronic measurement. The basic descriptive parametres have been calculated. Gender differences have been analysed by the univariate analysis of variance. The obtained results showed that the time in 50 metres sprinting and the time of the starting reaction were shortened as the subject is older, while the speed following the start and the maximum speed increased with age. The lowest maximum speed is obtained in the three and fouryear- olds. The highest speed is obtained in the nine and ten-year-olds. The analysis of differences between boys and girls of pre-school and early school age has shown are no statistically significant differences in kinematic parametres of sprinting according to the gender