Percorrer por autor "Ibrahim Ceylan, Halil"
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- Contextualized high-speed running and sprinting during English Premier League match-play with reference to possession, positional demands and opponent rankingPublication . Morgans, Ryland; Mandurino, Mauro; Beato, Marco; Ryan, Ben; Zmijewski, Piotr; Moreira, Alexandre; Ibrahim Ceylan, Halil; Oliveira, RafaelThis study aimed to compare high-speed running (HSR) and sprint distances (SD) when in- (IP) and out-of-possession (OP) during official English Premier League (EPL) match-play over three consecutive seasons considering playing position, match location and opponent ranking. Match data from 31 male professional soccer players was obtained via an optical tracking system. Results showed that during the IP phase, playing position emerged as the only significant predictor for both HSRIP and SDIP. Wingers showed the highest HSRIP compared to centre-backs who exhibited the lowest values (p < 0.001, ES = 4.19). Similar data were found for SDIP (p < 0.001, ES = 3.30). HSROP was significantly affected by both ranking difference (β = -0.039, p = 0.001) and match location (β = 0.369, p = 0.001). HSROP decreases as the ranking difference increases and tends to be higher during away matches (p = 0.001, ES = 0.24). SDOP was affected by both ranking difference (β = -0.023, p = 0.001) and match location (β = 0.166, p = 0.001) and decreased as the ranking difference increased. SDOP was also higher during away matches (p = 0.001, ES = 0.23). Additionally, a significant interaction was found between playing position and ranking difference (β = 0.005, p = 0.010). Lower ranking differences correspond to higher SDOP values. In conclusion, these findings highlight that by applying these IP and OP insights into practical coaching strategies, teams can potentially enhance individual physical performance and adaptability across different match situations and seasons.
- Differential Effects of Verbal Coaching Cues and Analogies on Sprint Performance in Youth Male Soccer Players Across Grass and Indoor SurfacesPublication . Nebigh, Ammar; Hammami, Raouf; Stefanica, Valentina; Murathan, Talha; Ozdemir, Kubra; Yildiz, Mevlut; Oliveira, Rafael; Mahmoud, Abdelkader; Ibrahim Ceylan, Halil; Ioan Muntean, RaulThere is a limited body of research concerning the impact of different attentional foci on the performance or retention of fundamental motor skills in young individuals. Additionally, the influence of verbal cues on sprint performance across various surfaces, such as grass and indoor basketball courts, remains understudied. Therefore, the primary objective of this study was to assess the effectiveness of Internal Cues (IC), External Cues (EC), and analogies with a directional component (ADC) on sprint performance among youth soccer players on different surfaces (grass vs. indoor basketball court). Seventy participants, aged 12.3±0.5 years, with a maturity offset of -0.9±0.5 years, were recruited for this investigation. Multiple 20-meter sprint tests were conducted on both grass and indoor basketball courts using different coaching cues: a control/neutral cue, an internal cue, an external cue, and analogies (away and toward). The analyses did not reveal significant differences (p ≥ 0.05) between cue types for both sprinting on grass and indoor surfaces. However, in post-hoc analyses for indoor sprints, significant distinctions were noted between ECs and ICs, favoring ECs (p < 0.01), as well as between "away" ADC and IC, favoring the "away" ADC (p < 0.01). Similar significant differences were observed for grass sprints, with ECs and "away" ADCs showing superiority over ICs (p < 0.01). 2 2024 37(11 ) In conclusion, the study did not find evidence supporting specific instructional types' positive impact on youth's sprint performance on both grass and indoor surfaces. Notwithstanding, ECs and ADCs seemed to be more effective coaching strategies for improving sprinting performance in youth soccer players. Additionally, motivating young soccer players to give their maximum effort seemed to be a beneficial cueing method for enhancing sprint ability on different surfaces.