A comparative analysis of scrummaging techniques
University of Wales Institute Cardiff
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The purpose of the study is to provide coaches with an overview of how scrummaging techniques affect performance, with a main aim of comparing two different scrummaging techniques and using kinematic analysis to compare key variables of performance. It is important to study the technical effects on scrummaging as the scrum is such an important part of the game that, if dominated, can lead to playing attacking rugby and making breaks through the opposition’s defence (Greenwood, 2003). This area was investigated by collecting the performance data of four academy rugby players (two locks; two props) performing 5 trials of two different techniques (A – inside leg backwards, B – inside leg forwards). The trials were completed in pairs (one lock and one prop). The data was recorded at 200Hz (CODA motion analysis system) and SPSS software was used to compare means in order to find statistical differences. There were no statistically significant differences found, however there were differences between techniques that were evident. Joint momentum of both players was larger for A (610.15 kg.m.s¯¹) than B (573.55 kg.m.s¯¹). Also it was found that in general the mean values of key performance variables were better for A than B. It was discussed that although there wasn’t any statistically significant difference between results, the change in technique and had an impact on the effectiveness of players scrummaging. It was concluded that further research into this area is needed to provide a greater insight into the affect of technique on performance.
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