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Effects of Fatigue Induced by Repeated Sprints on Sprint Biomechanics in Football Players: Should We Look at the Group or the Individual?

Author

Listed:
  • Valentin Romero

    (Centre for Sport Studies, Rey Juan Carlos University, 28942 Madrid, Spain)

  • Johan Lahti

    (Laboratory of Human Motricity, Education Sport and Health (LAMHESS), Université Côte d’Azur, F-06200 Nice, France)

  • Adrián Castaño Zambudio

    (Centre for Sport Studies, Rey Juan Carlos University, 28942 Madrid, Spain)

  • Jurdan Mendiguchia

    (Department of Physical Therapy, ZENTRUM Rehab and Performance Center, 31010 Barañain, Spain)

  • Pedro Jiménez Reyes

    (Centre for Sport Studies, Rey Juan Carlos University, 28942 Madrid, Spain)

  • Jean-Benoît Morin

    (Inter-University Laboratory of Human Movement Biology (LIBM EA 7424), University of Lyon, University Jean Monnet, F-42023 Saint Etienne, France)

Abstract

The aim of this study was to analyse the influence of fatigue on sprint biomechanics. Fifty-one football players performed twelve maximal 30 m sprints with 20 s recovery between each sprint. Sprint kinetics were computed from running speed data and a high-frequency camera (240 Hz) was used to study kinematic data. A cluster analysis (K-mean clustering) was conducted to classify individual kinematic adaptations. A large decrease in maximal power output and less efficiency in horizontally orienting the ground reaction force were observed in fatigued participants. In addition, individual changes in kinematic components were observed, and, according to the cluster analysis, five clusters were identified. Changes in trunk, knee, and hip angles led to an overall theoretical increase in hamstring strain for some players (Cluster 5, 20/51) but to an overall decrease for some others (Cluster 1, 11/51). This study showed that the repeated sprint ability (RSA) protocol had an impact on both kinetics and kinematics. Moreover, fatigue affected the kinematics in a different way for each player, and these individual changes were associated with either higher or lower hamstring length and thus strain.

Suggested Citation

  • Valentin Romero & Johan Lahti & Adrián Castaño Zambudio & Jurdan Mendiguchia & Pedro Jiménez Reyes & Jean-Benoît Morin, 2022. "Effects of Fatigue Induced by Repeated Sprints on Sprint Biomechanics in Football Players: Should We Look at the Group or the Individual?," IJERPH, MDPI, vol. 19(22), pages 1-12, November.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:22:p:14643-:d:966384
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    Citations

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    Cited by:

    1. Felipe Hermosilla-Palma & Juan Francisco Loro-Ferrer & Pablo Merino-Muñoz & Nicolás Gómez-Álvarez & Alejandro Bustamante-Garrido & Hugo Cerda-Kohler & Moacyr Portes-Junior & Esteban Aedo-Muñoz, 2022. "Changes in the Mechanical Properties of the Horizontal Force-Velocity Profile during a Repeated Sprint Test in Professional Soccer Players," IJERPH, MDPI, vol. 20(1), pages 1-9, December.

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