About the Authors

Cameron Owen

Contributed equally to this work with: Cameron Owen

Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

cameron.owen@leedsbeckett.ac.uk

Affiliations Leeds Beckett University, Carnegie Applied Rugby Research (CARR) centre, Carnegie School of Sport, Leeds, United Kingdom, Yorkshire Carnegie Rugby Union club, Leeds, United Kingdom

Kevin Till

Roles Conceptualization, Supervision, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliations Leeds Beckett University, Carnegie Applied Rugby Research (CARR) centre, Carnegie School of Sport, Leeds, United Kingdom, Leeds Rhinos Rugby League club, Leeds, United Kingdom

Jonathon Weakley

Roles Investigation, Supervision, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliations Leeds Beckett University, Carnegie Applied Rugby Research (CARR) centre, Carnegie School of Sport, Leeds, United Kingdom, School of Behavioural and Health Sciences, Australian Catholic University, Brisbane, Queensland, Australia

Ben Jones

Roles Conceptualization, Supervision, Writing – review & editing

‡ These authors also contributed equally to this work.

Affiliations Leeds Beckett University, Carnegie Applied Rugby Research (CARR) centre, Carnegie School of Sport, Leeds, United Kingdom, Leeds Rhinos Rugby League club, Leeds, United Kingdom, England Performance Unit, The Rugby Football League, Leeds, United Kingdom, School of Science and Technology, University of New England, Armidale, NSW, Australia, Division of Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Sciences, the University of Cape Town and the Sports Science Institute of South Africa, Cape Town, South Africa

Competing Interests

Cameron Owen is affiliated to Yorkshire Carnegie Rugby Union club, Kevin Till and Ben Jones are affiliated to Leeds Rhinos Rugby League club and Ben Jones to The Rugby Football League. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.