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    Does Aerobic Capacity Change According to Position in Football Players?
    (2024) Çelgin, Gürkan Selim; Arslanoglu, Erkal; Arslanoğlu, Cansel
    Aerobic capacity plays an important role in football as it influences players' physical performance and long-lasting endurance levels. The aim of this study was to investigate the aerobic capacity levels of football players playing in different positions according to the positions they play. The study group consisted of 83 football players in super amateur league. Football players playing in 8 different positions voluntarily participated in the study (goalkeeper: n= 8, defender: n=13, left back: n=9, right back: n=7, midfield: n=24, left winger: n=7, right winger: n=7 striker: n=8). Yo-Yo Intermittent Recovery Test (YYIRT1) was applied to determine the aerobic endurance parameters of the players. One-way ANOVA analysis was used to compare the distance travelled, average speed (km/h) and maximum oxygen uptake (VO2max) values. It was determined that there was a significant difference between the test parameters of the players in different playing positions, and this difference was found to be between the left back players, goalkeepers, and stoppers (p<0.05). It was determined that goalkeepers had the lowest average aerobic capacity in the distances travelled by the players by position, while back players and wingers had high aerobic capacity averages. According to these results, we can say that the aerobic capacities of football players vary according to their positions, and the physiological demands of the position played by back players and wingers are effective in the distance travelled and the football players have different aerobic capacities.
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    Öğe
    The Effect of Velocity-Based Training on Some Performance Parameters in Football Players
    (NDP Academic Publishing, 2024) Arslanoglu, Erkal; Arslanoglu, Cansel; Çelgin, Gürkan Selim; Bayram, Metin; Mor, Ahmet
    The aim of the study was to investigate the effects of velocity-based (VBT) and traditional strength training (TST) methods on vertical jump, dynamic balance, agility, 10 m acceleration and 20 m sprint performances. Twelve volunteer men randomly divided into two groups participated in the study. After 1 Repetition Maximum (1RM) was determined, the TST group performed 3 sets of 10 repetitions with 40-60% of their maximum weight, while the VBT group performed 3 sets of strength training at a velocity range of 0.75-1.0 m/s for 6 weeks, 2 days a week. In the VBT group, a significant difference was found between 55.16±6.17 cm in the pre-test and 59.16±4.99 cm in the post-test of vertical jump and 4.05±0.27 in the pre-test and 1.72±0.27 in the post-test of balance (p<0.05). There was a significant difference between 48.33±3.98 cm in the pre-test and 53.66±4.03 cm in the post-test; between 4.29±0.29 in the pre-test and 3.65±0.48 in the post-test. Optimising the speed while lifting load in VBT enables athletes to react faster to sudden position changes by improving dynamic balance. Although 6 weeks of VBT training increased vertical jump, the difference was not statistically significant, which may be due to sample size, training duration or individual differences. As a result, the increase in vertical jump and balance in both strength training exercises can be explained by the fact that squat exercise activates the quadriceps muscles by activating the knee joint and increases leg strength, endurance and knee stabilisation.