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Almir Atiković, S. Kalinski, Snežana Bijelić, Nađija Avdibašić Vukadinović

Na uzorku od 176 gimnastičara, analizirane su ocjene studija sa Svjetskog prvenstva u muškoj sportskoj gimnastici, koje se je održalo u Londonu 2009. godine. Predmet analize je kvalitet ocjenjivanja sudija u kvalifikacijama (C I) na osnovu važećeg pravilnika za ocjenjivanje Međunarodne gimnastičke federacije (C I). Problem je bio određivanje razlika ocjena sudija na spravama i između sudija na pojedinim spravama od E1 do E6 sudije. Osnovni cilj rada bio je da se ustanovi pouzdanost ocjenjivanja sudija i da li važeći Pravilnik za ocjenjivanje (Federation Internationale de Gymnastique, 2009b) treba revidirati po pitanju ujednačavanja ocjena na spravama. Razlike su testirane za ocjene komisija D, E i rezultat na svim spravama u višeboju: parteru, konju s hvataljkama, krugovima, preskoku, razboju i vratilu. Preskok ima najveću srednju D i E ocjenu, a konj s hvataljkama najniže srednje D i E ocjene. T-testovi su pokazali da se ove dvije sprave značajno razlikuju od drugih sprava. Pouzdanost je izračunata sa ICR, Kronbah alfa, razlike između ocjena komisije od E1 do E6 su testirane uz pomoć faktorske analize metodom prave glavne komponente. Svi podaci su analizirani uz pomoću statističkoga paketa SPSS 17.0. Rezultati pokazuju vrlo visoku pouzdanost (Kronbah alfa je u rasponu je od 0,94 do 0,98)

Edis Begatović, Almir Atiković

Original scientific paper In this paper we designed a new composite test and we named it “bunny-jumps forward”. We decided to check the reliability as a metric characteristic of the test. We had two tests 1. the test to check the lap time for nine meters and 2. the test to check the frequency of jumps (the number of jumps) for nine meters. Only for that purpose a special nine-meter long drilling area is arranged for measuring bunny-jumps forward which is calibrated with yellow and red cones that are separated 50 cm from one another. Brower Timing System consists of one pair of photocells which are placed along nine meters of the drilling area and they make contacts with one another. Every pair of photocells is placed near the runway so that when the examinee passes, the photocells transmit the signal to the transmitter which at the same time receives the data and memorizes it in internal memory, which can later be used for further analysis and research. Two tests were used and each of them was repeated two times. The test proved high level of reliability. Other metric characteristics should be used on the same population in the further research so that the results could be compared and the reliability of the newly-designed composite test could be ascertained.

S. Kalinski, Petra Mandić Jelaska, Almir Atiković

In order to determine the influence of some motor abilities on the performance of basic acrobatic elements of artistic gymnastics, in various stages of their acquisition, this study evaluated a sample of 44 first graders. ANOVA, with Fisher post hoc test, revealed significant differences in measured variables, at various stages of the learning process. Multiple regression analysis was used to assess the influence of some motor abilities on the gymnastics skills in all phases of the learning process. Results confirmed a statistically significant effect of predictor variables on all analyzed skills in the initial point of the learning process, on four skills in the transitive point of the learning process and statistically significant influence on two skills in the final point of the learning process. The percentage of explained criteria variability ranged from 43% to 64%. It can be concluded that the application of the proper kinesiological treatment, which results with higher level of learned skills, reduces statistical reliability of the influence of motor abilities on the performance of some skills.

The aim of this study was to investigate the relationship and effect between mechanical output in maximum vertical and horizontal jumping students 3 year of Faculty of PE and Sport, University of Tuzla, on the sample consisted of female (n=30) and male students (N=37). Sample of dependent variables were drop jumps from 20, 40, 60, 80, 100cm. A sample of independent variables included only one variable bunny jump: all data were analyzed using Tanita TBF-300A, Optojump, Brower Timing System and SPSS 17.0. Regression analysis explained (R Square) 34% of the common variables criteria. Analyzing the effect of individual variables, statistically significant effect on criterion variable was determined only to a variable drop jump from 80 cm (Beta: 0.611 ; p<0, 05).

Almir Atiković, Muhamed Tabaković, Ivan Hmjelovjec, S. Kalinski, S. Marius.

The main objective of the study is to determine differences between male and female gymnasts in 4 mechanical variables during the qualification C.1 Aarhus (Denmark) 2006 in Artistic Gymnastics World Championships. On a sample of 449 gymnasts (44 MAG vault and 34 WAG vault) only 13 vaults are performed the same by men and women. During World Championship Qualification in Debrecen 2002 and Aarhus 2006 we found that only 14 men and women together performed first phases of the vaults the same. By analyzing the WCQ 2002 and WCQ 2006 only 20 male gymnasts executed second flight phases of the vaults the same. The results in 4 mechanical variables acquired from the vault elements performed by both male and female gymnasts are extremely high. Vault is the most studied biomechanical gymnastics apparatus because it is the only one during which gymnasts make only one skill (Sands et. al., 2003).

With the new FIG Code of Points for men (2006) based on the philosophy of open ended difficulty score, point advantages have been given, again, to those who are in search for and willing to perform new elements. Each element in the Code of Points can be developed by changing its start and its final position, the start and the final grip with the apparatus, the body position during the element, by adding a flight phase or a rotation around the frontal, the longitudinal or the sagital axis. The Tkachev is quite an old release element (approximately 40 years old) on high bar. In line with the knowledge available to us today, we have been looking into the possibility of performing the Tkachev salto. Following series of biomechanical analysis with consideration of the gymnast's safety, we calculated that the Tkachev salto could be performed by those gymnasts who can perform the straight Tkachev with a high amplitude. Gymnast who will be able to perform the Tkachev salto at a major competition will enter the gymnastics history and have huge chances of wining the most prestigious competitions.

Lejla Šebić, Zuhrić, Muhamed Tabaković, Almir Atiković

We examined the predictive values of morphological characteristics at the rhythmic gymnastics exercises performance at the sample consisting of unselected sample of 127 female pupils of first, second and third grades of high school. We used the set of the 22 variables, indicators of morphological characteristics and predictor system representatives, as well as the set of 10 basic rhythmic gymnastics elements as the indicators of criterion system. The examinees participated in a three-month rhythmic gymnastics training programme as a part of regular sport classes. The aim of the programme was to master the basic body elements: jumps, body balance, pirouettes and rhythmic gymnastics flexibility. After the three-month programme we examined the predictive values of the morphological characteristics at the 10 rhythmic gymnastics elements performance results which represent the basic movement structures of the free composition. Regression analysis showed a relatively high multiple correlation coefficients which confirms that the morphological characteristics have a high degree of predictive values in the rhythmic gymnastics elements performance results.

The aim of the research was to examine the effects of isokinetic training on knee stabilizer muscles strength, and whether this increases the efficiency of performing basic gymnastic vaults. A total of 60 respondents, students of the Faculty of Sports and Physical Education (average age 19.7±1.5 years, weight 75.3±2.9 kg, height 179.8±6.7 cm) were included. The subjects were divided into two groups, experimental (EG) (n=30) and control (CG) (n=30). As part of the 12-week program, the experimental group (EG) in addition to exercises within the regular classes at the university had an additional concentric isokinetic training 3 times a week on the Biodex System 3 dynamometer, while the control group (CG) only had exercises within the regular classes at the university. The results indicated statistically significant differences (p < 0.05) between EG and CG, both in increasing the knee stabilizer muscles strength and in the performance of gymnastic vaults in favor of EG. It can be concluded that the additional isokinetic training resulted in a greater increase in strength, but also a better performance of gymnastic vaults. The results of the research can be used as guidelines for planning and programming isokinetic strength training of knee stabilizer muscles, which will contribute to a better performance of gymnastic vaults. Since there is a small amount of research on the topic of this work, this study represents a good foundation and basis for some future research on the effects of isokinetic training in sports gymnastics.

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