Document Detail

Running Demands and Heart Rate Response In Rugby Sevens Referees.
MedLine Citation:
PMID:  22990568     Owner:  NLM     Status:  Publisher    
ABSTRACT: The purpose of the present study was to examine for the first time the match running demands and heart rate responses associated with elite referees rugby sevens. Twelve referees were analyzed over 38 games, using Global Positioning System. Referees covered an average distance of 1665.2±203.5 m per game (15.1±0.5 minutes). Over this distance, 22.3% (371.8±48.9 m) was spent standing and walking, 25.9% (431.2±92.6 m) jogging, 12.4% (206.5±53.2 m) cruising, 23.8% (395.6±94.3 m) striding, 8% (133.3±61.6 m) high-intensity running, and 7.6% (126.7±87.3 m) sprinting. The average maximal distance of sprints, the number of sprints and the mean sprint distance over the game were: 31.3±13.4 m, 5.76±3.6 sprints, and 19.9±7.8 m respectively. The referee's work-to-rest ratio was 3.5:1. There were not statistical differences between the first and second half in any of the running variables analyzed. The average heart rate in the second half (160 ± 9 bpm; 86 ± 5 % HRmax of the estimated) was higher (P < 0.05) than the heart rate recorded in the first half (154 ± 11 bpm; 83 ± 6 % of the estimated HRmax). This study also suggests that the physical demands of referring in rugby sevens are quite different from those encountered in other rugby codes, and the training regimes need to meet the increased overall running demands and high-intensity running activity.
Luis Suarez-Arrones; Africa Calvo-Lluch; Javier Portillo; Francisco Sánchez; Alberto Mendez-Villanueva
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-17
Journal Detail:
Title:  Journal of strength and conditioning research / National Strength & Conditioning Association     Volume:  -     ISSN:  1533-4287     ISO Abbreviation:  J Strength Cond Res     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9415084     Medline TA:  J Strength Cond Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
1 Faculty of Sport Sciences, Pablo de Olavide University, Seville, Spain 2 Faculty of Sport Sciences, University of Castilla La Mancha, Toledo, Spain 3 Physiology Unit, ASPIRE, Academy for Sports Excellence, Doha, Qatar.
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