Document is current

Article History

Accepted: 20 August 2024

First Online: 5 September 2024

Declarations

:

: World Rugby funded this project.

: MDB has received research funding from World Rugby. JR is currently employed by New Zealand Rugby. RT is a consultant for World Rugby. DS was employed by New Zealand Rugby at the time of the study, received research funding from World Rugby, and is currently employed by World Rugby. EF is a consultant for World Rugby. BN currently works for Prevent Biometrics but was employed as a research assistant for the University of Otago at the time of the study.

: The study was conducted in accordance with the ethical principles outlined in the Declaration of Helsinki. This study involved human participants and was approved by the University of Otago Human Ethics Committee ID:H21_056UOHEC (Health) ID H21_056.

: Written informed consent was obtained from all players, legal guardian consent was also obtained from players under the age of 16 years.

: Patients and/or the public were not involved in the design, conduct, reporting, or dissemination of this research.

: Not applicable.

: Data are available on reasonable request to the corresponding author.

: Custom codes for data processing are hosted on GitHub and can be shared upon request after all manuscripts have been accepted for publication.

: MDB, DS, RT, and EF conceived and planned the study. DS, JR, GS, and MDB oversaw and carried out data collection in the field. DT oversaw the iMG fitting. MDB, RMG, BN, and JR oversaw the data cleaning and processing. MDB and RMG wrote the custom codes for data processing and synchronising events and completed the data analysis. MDB took lead in writing the manuscript. All authors provided critical feedback and helped shape the final manuscript submission.