Effect of the PreBind Engagement Process on Scrum Timing and Stability in the 2013-16 Six Nations

This study examined whether changes in scrum engagement laws from the "crouch-touch-set" in 2013 to the "PreBind" engagement from 2014 onward have led to changes in scrum characteristics, specifically timing, in international rugby union. Duration and outcomes were identified for...

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Bibliographic Details
Published in:International journal of sports physiology and performance 2018-08, Vol.13 (7), p.903-909
Main Authors: Bradley, Edward J, Hogg, Bob, Archer, David T
Format: Article
Language:English
Subjects:
Athletic Injuries - prevention & control
Football - injuries
Football - legislation & jurisprudence
Football - physiology
Humans
Risk Factors
Time and Motion Studies
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Summary:This study examined whether changes in scrum engagement laws from the "crouch-touch-set" in 2013 to the "PreBind" engagement from 2014 onward have led to changes in scrum characteristics, specifically timing, in international rugby union. Duration and outcomes were identified for all scrums occurring in the 2013-16 Six Nations (N = 60 games) using video analysis. Scrum duration increased after the introduction of the PreBind engagement from 59 s in 2013 to 69 s in 2016 (P = .024, effect size = 0.93). A significant increase in mean contact duration per scrum occurred when prebinding was adopted (P 
ISSN:1555-0265
1555-0273
DOI:10.1123/ijspp.2017-0531