Browsing by Author "Sert V."

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    The relationship between start speed, acceleration and speed performances in soccer
    (Horizon Research Publishing, 2018) Yıldız S.; Ateş O.; Gelen E.; Çırak E.; Bakicı D.; Sert V.; Kayıhan G.
    Start speed, acceleration, and speed performance are critical factors affecting directly football player’s performance. The aim of our study was to examine the relationship among these three abilities. 79 football players voluntarily participated in the study (height: 177,96 ± 5,4cm; weight 73,72 ± 7,85kg; training age: 10,59 ± 2,94 years; age: 21,90 ± 2,66 years). Participant’s tests have been taken on non-consecutive days in RT (visual reaction test, Lafayette, Moart Reaction and Movement), Speed (Total 15m; Fusion Sport, Smart Speed), Start speed (0-5m; Fusion Sport, Smart Speed), and acceleration (5-15 m; Fusion Sport, Smart Speed). The first 5m is start speed, 5-15m is acceleration phase and total 15m is speed. Significant correlation has been found between star speed and speed (p<0,01); training age and start speed (p<0,05); height and last 5m performance. Otherwise, the adverse correlation has been found between the second 5m and last 5m performances (p<0,01). There is no significant correlation between reaction time and 15m speed performance (p>0,05). There is significant correlation between acceleration and 15m speed (p<0,05), and between second 5m (p<0,01) and third 5m performances. The football players who have good rates of start speed times have good speed performance due to their physical capabilities. The rate of ground reaction forces is the most important factor that affects acceleration. Hence it’s recommended that activities including Olympic weightlifting be performed to increase the rate of ground reaction forces. © 2018 by authors. All rights reserved.
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    The relationship between reaction time, agility and speed performance in high-level soccer players
    (A. CARBONE Editore, 2020) Yildiz S.; Ates O.; Gelen E.; Cirak E.; Bakici D.; Sert V.; Kayihan G.; Ozkan A.
    Purpose: In soccer, reaction time (RT), speed and agility are important athletic skills that affect the performance of athletes. The aim of our study was to examine the relationship between these three athletic skills. Materials and methods: In this study, 73 high-level, active soccer players having at least 5 years of game experience (training age 10.72.9 years) participated voluntarily. The physical characteristics of the soccer players were: height (177.85.5 cm), weight (73.68.1 kg), and age (22.02.7 years). The participant's tests which were taken on non-consecutive days measured RT (Visual reaction test, Lafayette, Multi-Operational Apparatus for Reaction Time (MOART) system), speed (15 m, Fusion Sport, Smart Speed) and agility (open skills (OS) and closed skills (CS), Fusion Sport, Smart Speed). Results: A significant correlation was found between agility (CS) and speed (p0.05) however, there was no significant relationship between reaction time and agility (OS and CS) (p0.05). Conclusion: The important athletic skills of speed and quick change of direction were shown to have an effect on each other. It may be of benefit to add change of direction drills to training programs in order to improve the speed performance of the athletes. © 2020 A. CARBONE Editore. All rights reserved.