Assessment of contact involvements and scrums in international rugby union match-play using video analysis and microsensor technology methods

Menzies, Fraser A.; Walsh, Jack; Boyd, Andy J.; Turner, Anthony P.

doi:10.1080/02640414.2024.2313837

Journal of Sports Sciences

2023

DOI: 10.1080/02640414.2024.2313837

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Assessment of contact involvements and scrums in international rugby union match-play using video analysis and microsensor technology methods

Fraser A. Menzies,

Jack Walsh,

Andy J. Boyd

et al.

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2024

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Instrumented mouthguards in elite-level men’s and women’s rugby union: characterising tackle-based head acceleration events

Woodward,

Tooby,

Tucker

et al. 2024

BMJ Open Sport Exerc Med

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ObjectivesTo examine the propensity of tackle height and the number of tacklers that result in head acceleration events (HAEs) in elite-level male and female rugby tackles.MethodsInstrumented mouthguard data were collected from women (n=67) and men (n=72) elite-level rugby players from five elite and three international teams. Peak linear acceleration and peak angular acceleration were extracted from HAEs. Propensities for HAEs at a range of thresholds were calculated as the proportion of tackles/carries that resulted in an HAE exceeding a given magnitude for coded tackle height (low, medium, high) and number of tacklers. Propensity ratios with 95% CIs were calculated for tackle heights and number of tacklers.ResultsHigh tackles had a 32.7 (95% CI=6.89 to 155.02) and 41.2 (95% CI=9.22 to 184.58) propensity ratio to cause ball carrier HAEs>30 g compared with medium tackles for men and women, respectively. Low tackles had a 2.6 (95% CI=1.91 to 3.42) and 5.3 (95% CI=3.28 to 8.53) propensity ratio to cause tackler HAEs>30 g compared with medium tackles for men and women, respectively. In men, multiple tacklers had a higher propensity ratio (6.1; 95% CI=3.71 to 9.93) than singular tacklers to cause ball carrier HAEs>30 g but a lower propensity ratio (0.4; 95% CI=0.29 to 0.56) to cause tackler HAEs>30 g. No significant differences were observed in female tacklers or carriers for singular or multiple tacklers.ConclusionTo limit HAE exposure, rule changes and coaching interventions that promote tacklers aiming for the torso (medium tackle) could be explored, along with changes to multiple tackler events in the male game.

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Instrumented mouthguards in elite-level men’s and women’s rugby union: characterising tackle-based head acceleration events

Woodward,

Tooby,

Tucker

et al. 2024

BMJ Open Sport Exerc Med

View full text Add to dashboard Cite

show abstract

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Assessment of contact involvements and scrums in international rugby union match-play using video analysis and microsensor technology methods

Cited by 1 publication

References 25 publications

Instrumented mouthguards in elite-level men’s and women’s rugby union: characterising tackle-based head acceleration events

Instrumented mouthguards in elite-level men’s and women’s rugby union: characterising tackle-based head acceleration events

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