Interchangeability of player movement variables from different athlete tracking systems in professional soccer

Ellens, Susanne and Hodges, Daniel and McCullagh, Sean and Malone, James J. and Varley, Matthew C. (2021) Interchangeability of player movement variables from different athlete tracking systems in professional soccer. Science and Medicine in Football, 6 (1). pp. 1-6. ISSN 2473-3938

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Abstract

This study assessed the interchangeability between 10-Hz multi-GNSS GPS devices (Vector) and two optical tracking systems (TRACAB and Second Spectrum). The study also investigated the agreement between data from the optical tracking systems when processed with manufacturer software and GPS-filtered software. Thirty players competing in the English Premier League were monitored using three different tracking systems across five matches. To determine the interchangeability between tracking systems, player movement variables including, total distance, high-speed running distance (19.8–25.2 km‧h-1), sprinting distance (>25.2 km‧h-1), efforts >19.8 km‧h-1 and maximal speed were compared. Equations were formed with samples ranging from 16-36 using linear regression and linear mixed-effects models to allow interchangeability of player movement variables between tracking systems. More than half of the variance of most interchangeability equations were explained and associated with very strong positive correlations (r>0.72). Small to huge differences were found between tracking systems for most player movement variables. Data of optical tracking systems had decreased values in all speed variables >19.8 km‧h-1 when processed through GPS software. This study provides equations for practitioners to interchange player movement variables between TRACAB, Second Spectrum and Vector GPS tracking systems with reduced error. This will enable practitioners to combine and share data captured with different tracking systems to analyse and improve their training.

Item Type:	Article
Additional Information and Comments:	This is an Author's Original Manuscript of an article whose final and definitive form, the Version of Record, has been published in Science and Medicine in Football, February 2021, [copyright Taylor & Francis], available online at: https://www.tandfonline.com/doi/full/10.1080/24733938.2021.1879393
Faculty / Department:	Faculty of Human and Digital Sciences > School of Health and Sport Sciences
Depositing User:	James Malone
Date Deposited:	16 Nov 2022 14:14
Last Modified:	16 Nov 2022 14:14
URI:	https://hira.hope.ac.uk/id/eprint/3692

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