Injury in the Triceps Surae in Rugby Union Players: A Biomechanical Analysis of Front Row Players During Scrummaging

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Title: Injury in the Triceps Surae in Rugby Union Players: A Biomechanical Analysis of Front Row Players During Scrummaging
Author/Creator: Flavell, C
Author/Creator: Sayers, M
Abstract: Background : The incidence of injury to the triceps surae muscle (TS) in front row rugby union (rugby) players has stimulated a need to investigate the events surrounding this injury. Previous research has linked TS injuries with scrummaging1, but mechanisms of injury remain unidentified. Purpose : The purpose of this study was to investigate the lower limb kinematics of a cohort of front row players during a series of scrummaging drills. It was hypothesized that analysing the biomechanics of this aspect of game play would provide understanding about the possible mechanisms for TS injury. Methodology : Eleven front row rugby players were videoed during a series of scrummaging drills. Land marked anatomical points were digitised and a three-dimensional model of the trunk and lower limb developed. Independent t-tests were conducted to determine if the lower limb kinematics differed between defensive and attacking scrummaging technique. All statistical analyses were performed using SPSS for Windows (version 17). A significance level of p < 0.05 was used for all analysis. Results and Discussion : Results (presented as mean ± SD) showed numerous significant differences in a range of variables between defensive and attacking scrum types. Analysis indicated a trend towards more extended joint positions at toe off and toe strike during scrum drills. For example, ankle angular displacement at toe off varied significantly (p < 0.001) between the attacking (126 deg [± 10]) and defensive scrum drills (111 deg [± 7]), as did ankle angular displacement at peak extension velocity during single leg stance (p = 0.024) between the attacking (108 deg [±12]) and defensive scrum drills (97 deg [± 9]).
Relation: Queensland Injury Prevention Council – Evidence to Action Symposium, Townsville, Australia 18-19 November 2010
Relation: :
Relation: http://www-public.jcu.edu.au/events/JCUPRD1_065616
Year: 2010
Publisher: James Cook University
Subject: FoR 1106 (Human Movement and Sports Science)
Subject: sporting injuries
Subject: injury prevention
Subject: recreational activities

Resource Type: Conference Presentation

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USC Research Bank - University of the Sunshine Coast, Queensland, Australia