Relationship between objective and subjective hydration measures on sprint performance among soccer players during actual matches in hot and humid environment

Author(s):  
Man Y. LEE ◽  
Teng K. KHONG ◽  
Norazmi RAMLIY ◽  
Ashril YUSOF
Author(s):  
Marcin Maciejczyk ◽  
Renata Błyszczuk ◽  
Aleksander Drwal ◽  
Beata Nowak ◽  
Marek Strzała

The aim of the study was to determine the effects of short-term (4 weeks, twice a week: 8 sessions) plyometric training on agility, jump, and repeated sprint performance in female soccer players. The study comprised 17 females performing this sports discipline. The players were randomly divided into two groups: with plyometric training (PLY) and the control (CON). All players followed the same training program, but the PLY group also performed plyometric exercises. Tests used to evaluate physical performance were carried out immediately before and after PLY. After implementing the short PLY training, significant improvement in jump performance (squat jump: p = 0.04, ES = 0.48, countermovement jump: p = 0.009, ES = 0.42) and agility (p = 0.003, ES = 0.7) was noted in the PLY group. In the CON group, no significant (p > 0.05) changes in physical performance were observed. In contrast, PLY did not improve repeated sprint performance (p > 0.05) among female soccer players. In our research, it was shown that PLY can also be effective when performed for only 4 weeks instead of the 6–12 weeks typically applied.


2018 ◽  
Vol 43 (6) ◽  
pp. 625-630 ◽  
Author(s):  
Brett S. Nickerson ◽  
Gerald T. Mangine ◽  
Tyler D. Williams ◽  
Ismael A. Martinez

The purpose of this study was to determine if back squat cluster sets (CS) with varying inter-repetition rest periods would potentiate greater sprint performance compared with a traditional set parallel back squat in collegiate soccer players. Twelve collegiate male soccer players (age, 21.0 ± 2.0 years; height, 180.0 ± 9.0 cm; body mass, 79.0 ± 9.5 kg) performed a 20-m sprint prior to a potentiation complex and at 1, 4, 7, and 10 min postexercise on 3 separate, randomized occasions. On each occasion, the potentiation complex consisted of 1 set of 3 repetitions at 85% 1-repetition maximum (1RM) for the traditional parallel back squat. However, on 1 occasion the 3-repetition set was performed in a traditional manner (i.e., continuously), whereas on the other 2 occasions, 30s (CS30) and 60 s (CS60) of rest were allotted between each repetition. Repeated-measures ANOVA revealed greater (p = 0.022) mean barbell velocity on CS60 compared with the traditional set. However, faster (p < 0.040) 20-m sprint times were observed for CS30 (3.15 ± 0.16 s) compared with traditional (3.20 ± 0.17 s) only at 10 min postexercise. No other differences were observed. These data suggest that a single cluster set of 3 repetitions with 30-s inter-repetition rest periods at 85% 1RM acutely improves 20-m sprinting performance. Strength and conditioning professionals and their athletes might consider its inclusion during the specific warm-up to acutely improve athletic performance during the onset (≤10 min) of training or competition.


2019 ◽  
Vol 28 (2) ◽  
pp. 194-205 ◽  
Author(s):  
Daniel Castillo ◽  
Javier Raya-González ◽  
Filipe Manuel Clemente ◽  
Javier Yanci

2012 ◽  
Vol 46 ◽  
pp. 2210-2214 ◽  
Author(s):  
Yaser Alikhajeh ◽  
Nasser Mohamad Rahimi ◽  
Khadijeh Fazeli ◽  
Hajar Fazeli

2007 ◽  
Vol 39 (Supplement) ◽  
pp. 212-213
Author(s):  
Adam Sayers ◽  
Jennifer L. Caputo ◽  
Richard S. Farley ◽  
Dana K. Fuller ◽  
Colby B. Jubenville

2011 ◽  
Vol 29 (5) ◽  
pp. 477-484 ◽  
Author(s):  
Alberto Mendez-Villanueva ◽  
Martin Buchheit ◽  
Sami Kuitunen ◽  
Andrew Douglas ◽  
Esa Peltola ◽  
...  

2012 ◽  
Vol 35 (1) ◽  
pp. 141-146 ◽  
Author(s):  
Ali Özkan ◽  
Gürhan Kayıhan ◽  
Yusuf Köklü ◽  
Nevin Ergun ◽  
Mitat Koz ◽  
...  

The purpose of the present study was to investigate the relationship between body composition, anaerobic performance and sprint performance of amputee soccer players. Fifteen amputee soccer players participated in this study voluntarily. Subjects’ height, body weight, body mass index, body fat percentage (Jackson and Pollock formula) and somatotype characteristics (Heath-Carter system) were determined. The sprint performance at 10m, 20m and 30m was evaluated, whereas the counter movement jump (CMJ), relative CMJ (RCMJ), squat jump (SJ) and relative SJ (RSJ) tests were used for the determination of anaerobic performance. The results of the Pearson Product Moment correlation analysis indicated that body composition was significantly correlated with CMJ and SJ (p < 0.01), on the other hand, no measure of body composition was significantly related to the other component (p > 0.05). A significant correlation was found between CMJ, RCMJ, SJ, 10 m, 20 m and 30 m sprint performance (p < 0.05); whereas, in contrast, no measure of body composition was significantly related to the 10 m, 20 m and 30 m sprint performance (p > 0.05). In conclusion, the findings of the present study indicated that sprint performance was described as an essential factor in anaerobic performance whereas body composition and somatotype play a determinant role in anaerobic and sprint performance in amputee soccer players.


2010 ◽  
Vol 24 (12) ◽  
pp. 3200-3208 ◽  
Author(s):  
Kevin W McCurdy ◽  
John L Walker ◽  
George A Langford ◽  
Matt R Kutz ◽  
James M Guerrero ◽  
...  

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