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Objectively Assessing Sports Concussion Utilizing Visual Evoked Potentials

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Quantifying Collective Performance in Rugby Union.

Guillaume Saulière¹, Jérôme Dedecker², Issa Moussa¹

¹IRMES, Institut de Recherche bio-Médicale et d'Epidémiologie du Sport, EA7329, INSEP & Université Paris Descartes, Sorbonne Paris Cité, Paris, France.

Frontiers in Sports and Active Living

|December 21, 2020

Summary

Collective experience, measured by cumulative shared selections (CSS), significantly impacts rugby team performance. Higher CSS trends correlate with improved ranking points and victory percentages, aiding coaching decisions.

Keywords:

collective efficacy collective performance group dynamics rugby social networks

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Area of Science:

Sports Science
Team Performance Analysis
Rugby Union

Background:

Assessing team performance in international rugby union.
Quantifying collective experience as a performance factor.
Hypothesizing a positive correlation between experience and performance.

Purpose of the Study:

To quantify collective experience using cumulative shared selections (CSS).
To evaluate the impact of CSS on team performance in rugby union.
To establish a link between player selections and team success.

Main Methods:

Collected scoresheets from Rugby Championship and Six Nations (1999-2015 RWCs).
Computed CSS as a collective experience indicator for each match.
Utilized World Rugby Ranking points and victory percentages for performance metrics.
Employed multiple linear regression to analyze associations between CSS trends and performance.

Main Results:

Found significant associations between CSS slope and ranking points (p=0.042, R²=0.13).
Demonstrated a strong link between CSS slope and victory percentage (p=0.001, R²=0.42).
Observed variability in CSS trends within and between nations across 4-year cycles.

Conclusions:

The evolution of cumulative shared selections (CSS) is demonstrably linked to team performance.
CSS serves as a valuable indicator for assessing team cohesion and experience.
This metric can inform strategic decision-making for national coaching staff.