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THE JOURNAL OF SPORTS MEDICINE AND PHYSICAL FITNESS
Rivista di Medicina, Traumatologia e Psicologia dello Sport
Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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The Journal of Sports Medicine and Physical Fitness 2000 Giugno;40(2):162-9
Investigation of anthropometric and work-rate profiles of elite South American international soccer players
Rienzi E. *, Drust B. **, Reilly T. **, Carter J. E. L. ***, Martin A. ****
* Unisport, Centro de Evaluacion y Orientacion Fisica-Deportiva, Montevideo, Uruguay
** Research Institute for Sport and Exercise Sciences Liverpool John Moores University Liverpool, United Kingdom
*** Department of Exercise and Nutritional Sciences San Diego State University, California, USA
**** School of Human Kinetics, University of British Columbia Vancouver, Canada
Background. The aim of the current investigation was to determine the movement profiles of elite South American soccer players during international competition and examine the relationship between anthropometric profile and work-rate variables.
Methods. Seventeen full-time professional soccer players were filmed while competing for their countries. Anthropometric profiles were obtained for eleven of these players. Six full-time professional players from the English Premier League were also filmed for comparative purposes.
Results. The South American international players covered significantly less (p<0.05) total distance during match-play than English Premier League players (International, 8638±1158 m; English Premier League, 10104±703 m). The total distance covered during the second half of the game was significantly reduced (p<0.05) compared to the first half distance for both groups of players (mean±SD first half 4605±625 m; mean±SD second half 4415±634 m). The data for both groups of players were combined to evaluate positional differences in the work-rate profile. Midfield players covered a significantly greater (p<0.05) distance than forward players (midfield, 9826±1031 m; forwards, 7736±929 m) and defenders covered a greater (p<0.05) distance jogging backwards than forward players (defenders, 276±155 m; forwards, 68±25 m). Forwards sprinted a greater distance (p<0.05) than defensive players (defenders, 231±142 m; forwards, 557±142 m). Mean somatotype was a balanced mesomorph (2-5 1/2-2). Body mass and muscle mass was related to the total distance covered (r=0.43, r=0.53, p<0.05).
Conclusions. Based on these data, it seems that an individual’s work-rate profile is dependent upon the type of competition and the playing position. Relationships between anthropometric profile and work-rate are complex due to the interaction between the variables that determine work-rate.