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The Incidence and Propensity of Head Acceleration Events in a Season of Men’s and Women’s English Elite-Level Club Rugby Union Matches
Sports Medicine ( IF 9.3 ) Pub Date : 2024-06-26 , DOI: 10.1007/s40279-024-02064-7
David Allan 1, 2 , James Tooby 3 , Lindsay Starling 4, 5 , Ross Tucker 4, 6 , Éanna Falvey 4, 7 , Danielle Salmon 4 , James Brown 3, 6 , Sam Hudson 5 , Keith Stokes 5, 8 , Ben Jones 3, 9, 10, 11, 12 , Simon Kemp 8, 13 , Patrick O'Halloran 14, 15 , Matt Cross 3, 9 , Gregory Tierney 1, 2
Affiliation  

Objectives

To describe and compare the incidence and propensity of head acceleration events (HAEs) using instrumented mouthguards (iMG) by playing position in a season of English elite-level men’s and women’s rugby union matches.

Methods

iMG data were collected for 255 men and 133 women from 1,865 and 807 player-matches, respectively, and synchronised to video-coded match footage. Head peak resultant linear acceleration (PLA) and peak resultant angular acceleration (PAA) were extracted from each HAE. Mean incidence and propensity values were calculated across different recording thresholds for forwards and backs in addition to positional groups (front row, second row, back row, half backs, centres, back three) with 95% confidence intervals (CI) estimated. Significance was determined based on 95% CI not overlapping across recording thresholds.

Results

For both men and women, HAE incidence was twice as high for forwards than backs across the majority of recording thresholds. HAE incidence and propensity were significantly lower in the women’s game compared to the men’s game. Back-row and front-row players had the highest incidence across all HAE thresholds for men’s forwards, while women’s forward positional groups and men’s and women’s back positional groups were similar. Tackles and carries exhibited a greater propensity to result in HAE for forward positional groups and the back three in the men’s game, and back row in the women’s game.

Conclusion

These data offer valuable benchmark and comparative data for future research, HAE mitigation strategies, and management of HAE exposure in elite rugby players. Positional-specific differences in HAE incidence and propensity should be considered in future mitigation strategies.



中文翻译:


男子和女子英格兰精英级俱乐部橄榄球联盟比赛赛季中头部加速事件的发生率和倾向


 目标


描述和比较使用仪器化护齿器 (iMG) 的头部加速事件 (HAE) 的发生率和倾向,通过在英国精英级男子和女子橄榄球联盟比赛的赛季中通过比赛位置进行。

 方法


分别从 1,865 场和 807 场球员比赛中收集了 255 名男性和 133 名女性的 iMG 数据,并与视频编码的比赛录像同步。从每个 HAE 中提取头部峰值合成线性加速度 (PLA) 和峰值合成角加速度 (PAA)。除了位置组 (前排、第二排、后排、半后卫、中后三) 外,还计算了前锋和后退的不同记录阈值的平均发生率和倾向值,并估计了 95% 置信区间 (CI)。根据 95% CI 在记录阈值之间不重叠来确定显著性。

 结果


对于男性和女性,在大多数记录阈值中,前锋的 HAE 发生率是后卫的两倍。与男子比赛相比,女子比赛的 HAE 发生率和倾向显着降低。后排和前排球员在男子前锋的所有 HAE 阈值中的发生率最高,而女子前锋位置组和男子和女子后场位置组相似。铲球和运球在男子比赛中表现出更大的倾向,导致前锋位置组和三后卫,在女子比赛中导致后排。

 结论


这些数据为未来的研究、HAE 缓解策略和精英橄榄球运动员的 HAE 暴露管理提供了有价值的基准和比较数据。在未来的缓解策略中应考虑 HAE 发病率和倾向的位置特异性差异。

更新日期:2024-06-26
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