The agility demands of Australian football: a notational analysis

IF 2.1 4区 教育学 Q1 Health Professions
Russell Rayner, W. Young, S. Talpey
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引用次数: 3

Abstract

ABSTRACT Agility is essential to success in Australian football (AF). However, the nature of agility events in competition is currently unknown. This study analysed in-game 1v1 agility events to identify the movement and cognitive demands of agility in elite AF. The study described the technique, the angle of change of direction (COD), and the approach speed. Cognitive demands were inferred by recording inter-athlete position and deceptive manoeuvres. Findings revealed sidestepping to be commonly used for both attacking and defending athletes. However, attacking athletes were substantially more likely to use the sidestep technique than their defending counterparts (74% vs 39% of the time). Analysis of movement speeds indicated a preference for submaximal approaches. Further, the movement technique was varied, with the angle of directional change particularly diverse. Overall, the notational analysis indicates a need for agility training and testing that reflects in-game agility demands. To achieve this, training and testing must allow for submaximal movement speeds, context-specific techniques, and the use of deceptive manoeuvres. Field-based or subjective assessment methods are proposed as viable testing alternatives. Further, the effectiveness of recorded deceptive actions suggests that athletes should be provided with training opportunities to practice fake disposals and fake CODs.
澳大利亚足球对敏捷性的要求:符号分析
摘要敏捷是澳大利亚足球成功的关键。然而,比赛中敏捷性项目的性质目前尚不清楚。本研究分析了游戏中1v1敏捷性事件,以确定精英AF对敏捷性的运动和认知需求。该研究描述了技术、方向变化角度(COD)和接近速度。认知需求是通过记录运动员之间的位置和欺骗性动作来推断的。研究结果显示,回避在进攻和防守运动员中都很常见。然而,进攻型运动员比防守型运动员更有可能使用侧步技术(74%对39%的时间)。对运动速度的分析表明,人们更倾向于采用次极大方法。此外,运动技术多种多样,方向变化的角度尤其多样化。总体而言,符号分析表明需要进行敏捷性训练和测试,以反映游戏中的敏捷性需求。为了实现这一点,训练和测试必须考虑到次最大的移动速度、特定环境的技术和欺骗性策略的使用。提出了基于现场或主观的评估方法作为可行的测试替代方案。此外,记录的欺骗行为的有效性表明,应该为运动员提供练习假处置和假COD的训练机会。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.70
自引率
4.80%
发文量
38
审稿时长
>12 weeks
期刊介绍: The International Journal of Performance Analysis in Sport aims to present current original research into sports performance. In so doing, the journal contributes to our general knowledge of sports performance making findings available to a wide audience of academics and practitioners.
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