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Purpose:
To perform an exploratory characterization of repeated sprint sequences (RSS) and repeated acceleration sequences (RAS) in top level soccer referees.
Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
Repeated Acceleration Ability (RAA): A New Concept with Reference to Top-Level Field and Assistant Soccer Referees
Author(s):
1Department of Physical Education and Sport, University of Granada, Spain
2Post-Graduate Program in Physical Education, Catholic University of Brasilia, Brasilia, Brazil
3Department of Physical Education, State University of Londrina, Londrina, Brazil
4Carabobo FC, Valencia, Venezuela
5Department of Sport and Exercise Sciences, School of Social Sciences and Law, Teesside University, Middlesbrough, United Kingdom
Published online:Dec 28, 2013
Article type:Brief Report
Received:Mar 24, 2013
Accepted:Oct 21, 2013
How to Cite:Jos Carlos Barber-lvarezDaniel BoullosaFbio Yuzo NakamuraGermn AndrnMatthew WestonRepeated Acceleration Ability (RAA): A New Concept with Reference to Top-Level Field and Assistant Soccer Referees.Asian J Sports Med.5(1):34235.https://doi.org/10.5812/asjsm.34235.
Abstract
Methods:
7 field and 7 assistant referees were monitored during 2007 America's Soccer Cup with GPS technology. Sprints of >18 kmh-1 and accelerations of >1.5 ms-2 were considered as high intensity activities. RSS and RAS were defined as a minimum of 3 consecutive bouts interspersed with a maximum of 45 s.
Results:
Field and assistant referees performed substantially more accelerations than sprints. Neither field nor assistant referees recorded any RSS. In contrast, total distance performing RAS amounted to ?37% and ?20% of the total distance covered by accelerations during the entire match for field and assistant referees, respectively. Only field referees exhibited fatigue-related reductions in RAS characteristics between halves.
Conclusion:
The results of the present study would appear to support the appropriateness of a repeated acceleration ability (RAA) concept, instead of the repeated sprint ability (RSA) concept, in soccer referees. Further studies should assess RAS in referees and athletes of different team sports for designing better training exercises and physiological testing.
Copyright
© 2013, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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