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Influence of Football Match-Play on Isometric Knee Flexion Strength and Passive Hip Flexion Range of Motion in Football Referees and Assistant Referees

Author

Listed:
  • Vicente Fernández-Ruiz

    (Exercise Physiology Group, School of Physiotherapy, Faculty of Health Sciences, Universidad Francisco de Vitoria, 28223 Madrid, Spain)

  • Álvaro López-Samanes

    (Exercise Physiology Group, School of Physiotherapy, Faculty of Health Sciences, Universidad Francisco de Vitoria, 28223 Madrid, Spain)

  • Juan Del Coso

    (Centre for Sport Studies, Rey Juan Carlos University, Fuenlabrada, 28943 Madrid, Spain)

  • José Pino-Ortega

    (Department of Physical Activity and Sport, University of Murcia, 30720 Murcia, Spain)

  • Javier Sánchez-Sánchez

    (Faculty of Sport Sciences, Universidad Europea de Madrid, 28670 Madrid, Spain
    Comité Técnico de Árbitros (CTA) de la Real Federación Española de Fútbol (RFEF), 28230 Las Rozas, Spain)

  • Pablo Terrón-Manrique

    (Exercise Physiology Group, School of Physiotherapy, Faculty of Health Sciences, Universidad Francisco de Vitoria, 28223 Madrid, Spain)

  • Marco Beato

    (School of Health and Sports Sciences, University of Suffolk, Ipswich IP4 1QJ, UK)

  • Víctor Moreno-Pérez

    (Sports Research Center, Miguel Hernandez University of Elche, 03202 Alicante, Spain
    Center for Translational Research in Physiotherapy, Department of Pathology and Surgery, Miguel Hernandez University of Elche, 03550 Alicante, Spain)

Abstract

The aim of this study was to examine the acute effect of officiating a football (soccer) match on isometric knee flexion strength and passive hip flexion range-of-motion (ROM) in referees and assistant football referees. Twelve referees (25.3 ± 3.3 years) and twenty-three assistant referees (25.1 ± 4.8 years) underwent measurements on isometric knee flexion strength and passive hip flexion ROM before and after officiating an official football match. Referees’ and assistant referees’ running patterns were monitored during the match using GPS technology. In comparison to pre-match values, referees reduced their isometric knee flexion strength (−12.36%, p = 0.046, Effect size [ES] = −0.36) in the non-dominant limb, while no significant differences were reported in the dominant limb (−0.75%, p = 0.833, ES = −0.02). No effect of the match was found in hip flexion ROM values in dominant (−4.78%, p = 0.102, ES = −0.15) and non-dominant limb (5.54%, p = 0.544, ES = 0.19). In assistant referees, the pre-to-post-match changes in isometric knee flexion strength (dominant limb −3.10%, p = 0.323, ES = −0.13; non-dominant limb −2.18%, p = 0.980, ES= 0.00) and hip flexion ROM (dominant limb 1.90% p = −0.816, ES = 0.13; non-dominant limb 3.22% p = 0.051, ES = 0.23) did not reach statistical significance. Officiating a match provoked a reduction in isometric knee flexion strength in the non-dominant limb of football referees, while no differences were reported in assistant referees.

Suggested Citation

  • Vicente Fernández-Ruiz & Álvaro López-Samanes & Juan Del Coso & José Pino-Ortega & Javier Sánchez-Sánchez & Pablo Terrón-Manrique & Marco Beato & Víctor Moreno-Pérez, 2021. "Influence of Football Match-Play on Isometric Knee Flexion Strength and Passive Hip Flexion Range of Motion in Football Referees and Assistant Referees," IJERPH, MDPI, vol. 18(22), pages 1-9, November.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:22:p:11941-:d:678553
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    References listed on IDEAS

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    1. Juan Del Coso & Diego Brito de Souza & Víctor Moreno-Perez & Javier M. Buldú & Fabio Nevado & Ricardo Resta & Roberto López-Del Campo, 2020. "Influence of Players’ Maximum Running Speed on the Team’s Ranking Position at the End of the Spanish LaLiga," IJERPH, MDPI, vol. 17(23), pages 1-11, November.
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