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The role of limb preference during the tackle in women’s rugby union: Effect on success rate, quality and impact level

Bradley, Eddie and Scott, Reece (2018) The role of limb preference during the tackle in women’s rugby union: Effect on success rate, quality and impact level. Journal of Sports Sciences, 36 (Supp 1). pp. 1-94. ISSN 0264-0414

Item Type: Article

Abstract

Tackling is a key attribute in rugby union and tackle technique can directly affect the outcome of a match. Success of a tackle may be attributed to intended power generation, approach angle, and the limb preference of the player completing the tackle, where limb preference relates to the choice of shoulder used to affect the tackle. Therefore, we investigated the relationship between player limb preference and tackle outcomes, specifically the success rate and quality of tackles during match-play and the biomechanically measured tackle impact. After institutional ethical approval was obtained, four English women’s Tyrell’s Premier15 league matches were video-analysed using Longomatch. All tackles were identified and coded based on tackler side and tackle success. Tackle quality was determined through qualitative assessment of the technique during video-analysis. Poor technique was defined as use of the preferred limb that placed the tacklers’ head in a sub-optimal position across the front of the body rather than to the outside of the tackled player. A total of 460 tackles were performed in the four analysed games, with two thirds completed with the preferred side. Use of the preferred shoulder was more likely to produce a successful tackle (77.6%) compared to the use of the non-preferred shoulder (66.8%). Of the 308 tackles completed with the preferred shoulder, 15 were classed as poor quality. In a separate training session, maximum horizontal and resultant accelerations during practice tackleswere measured with a Pasco Capstone 3-axis accelerometer integrated inside a 23kg Centurion tackle bag at shoulder height. 13 players (age 26 ± 5 years; height 168.3 ± 7 cm; weight 73.1 ± 9 kg); 6 forwards/7 backs) completed three tackles with the right and left shoulders during a single training session. Mean resultant and horizontal acceleration was higher when the preferred side impacted the tackle bag (137 m∙s−2 vs. 129 m∙s−2 & 125 m∙s−2 vs 118 m∙s−2 respectively). Tackle performance is influenced by players’ limb preference, with a greater number of successful tackles produced with the preferred limb, potentially as the preferred shoulder results in greater impact accelerations that are likely to stop the opposition player. Limb choice is often influenced by the skill competency of the player, even at a premier league level, with players uncomfortable using their ‘wrong’ shoulder due to lower perceived strength or poor execution. However, attempting to use the preferred shoulder to compensate may place players in a dangerous position due to inadequate technique. Coaching should aim to improve tackle proficiency of both shoulders to improve confidence in using the non-preferred shoulder.

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More Information

Depositing User: Eddie Bradley

Identifiers

Item ID: 10510
Identification Number: https://doi.org/10.1080/02640414.2018.1521633
ISSN: 0264-0414
URI: http://sure.sunderland.ac.uk/id/eprint/10510
Official URL: https://www.tandfonline.com/doi/abs/10.1080/026404...

Users with ORCIDS

ORCID for Eddie Bradley: ORCID iD orcid.org/0000-0003-3518-3305

Catalogue record

Date Deposited: 25 Mar 2019 11:18
Last Modified: 18 Dec 2019 16:07

Contributors

Author: Eddie Bradley ORCID iD
Author: Reece Scott

University Divisions

Faculty of Health Sciences and Wellbeing
Faculty of Health Sciences and Wellbeing > School of Nursing and Health Sciences

Subjects

Sciences > Sport Sciences

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