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Match running performance and physical capacity profiles of U8 and U10 soccer players

Bellistri, G, Marzorati, M, Sodero, L, Sforza, C, Bradley, PS and Porcelli, S (2016) Match running performance and physical capacity profiles of U8 and U10 soccer players. Sport Sciences for Health, 13 (2). pp. 273-280. ISSN 1824-7490

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Abstract

Aim
This study aimed to characterize match running performance of very young soccer players and evaluate the relationship between these data and physical capacities and technical skills.
Methods
Distances covered at different speed thresholds were measured during 31 official matches using GPS technology in U10 (n = 12; age 10.1 ± 0.1 years) and U8 (n = 15; age 7.9 ± 0.1 years) national soccer players. Counter movement jump performance (CMJ), 20 m shuttle running (20 m-SR), linear sprint performance (10, 20, 30 m), shuttle (SHDT) and slalom dribble tests (SLDT) were performed to determine the players physical capacities and technical skills.
Results
Physical capacities and technical skills were higher in U10 versus U8 players [P < 0.05, effect size (ES) 0.99–2.37], with less pronounced differences for 10 m sprint performance (P > 0.05, ES: 0.74). The U10 players covered more total (TD) and high-intensity running distance (HIRD) than their younger counterparts did (P < 0.05, ES: 3.07–1.73). HIRD, expressed as percentage of TD, produced less pronounced differences between groups (P > 0.05, ES: 0.99). TD and HIRD covered across the three 15 min periods of match play did not decline (P > 0.05, ES: 0.02–0.55). Very large magnitude correlations were observed between the U8 and U10 players performances during the 20 m-SR versus TD (r = 0.79; P < 0.01) and HIRD (r = 0.82; P < 0.01) covered during match play.
Conclusions
Data demonstrate differences in match running performance and physical capacity between U8 and U10 players, and large magnitude relationships between match play measures and physical test performances. These findings could be useful to sports science staff working within the academies.

Item Type: Article
Additional Information: This is a post-peer-review, pre-copyedit version of an article published in Sport Sciences for Health. The final authenticated version is available online at: http://dx.doi.org/10.1007/s11332-016-0328-3
Uncontrolled Keywords: 1106 Human Movement And Sports Science
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
G Geography. Anthropology. Recreation > GV Recreation Leisure > GV561 Sports > GV711 Coaching
G Geography. Anthropology. Recreation > GV Recreation Leisure > GV561 Sports
Divisions: Sport & Exercise Sciences
Publisher: Springer Verlag
Date Deposited: 09 Apr 2018 10:54
Last Modified: 09 Apr 2018 10:54
DOI or Identification number: 10.1007/s11332-016-0328-3
URI: http://researchonline.ljmu.ac.uk/id/eprint/8428

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