1. The prognostic value of the hamstring outcome score to predict the risk of hamstring injuries. van de Hoef PA, Brink MS, van der Horst N, van Smeden M, Backx FJG. Analysis of data of 356 amateur soccer players showed that the hamstring outcome score (HaOS) questionary...

1. The Moral Gatekeeper: Soccer and Technology, the Case of Video Assistant Referee (VAR) Tamir I, Bar-Eli M. This paper argues that, despite fierce objections and extensive criticism, VAR represents a moral revolution in the evolution of the sport as a whole, improving the professional standards, its...

Professor Rob Duffield is a sports & exercise scientist at the University of Technology Sydney. He also works as Head of Research & Development for Football Federation Australia (FFA). His research areas include factors related to fatigue and recovery, sleep and travel, training and cooling...

1. Why the Chosen Ones May Not Always Be the Best Leaders: Criteria for Captain Selection as Predictors of Leadership Quality and Acceptance. Butalia R(1), Fransen K(1), Coffee P(2), Laenens J(1), Boen F(1). Author information: (1) Department of Movement Sciences, KU Leuven, Leuven, Belgium. (2) Faculty of...

THEORETICAL FRAMEWORK Physical performance testing is crucial to create and design more effective and tailored training programs. In addition, profiling athletes’ physical characteristics is important to understand the discrepancies in physical performance with aging, furthering the ability of soccer clubs to make informed and rational investments....

1. SARS-CoV-2 transmission during rugby league matches: do players become infected after participating with SARS-CoV-2 positive players? Ben Jones, Gemma Phillips, Simon Kemp, Brendan Payne, Brian Hart, Matthew Cross, Keith A Stokes. Carnegie Applied Rugby Research (CARR) centre, Carnegie School of Sport, Leeds Beckett University, Leeds, UK...