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Shoulder Torque Production and Muscular Balance after Long and Short Tennis Points

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  • André V. Brito

    (Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

  • Diogo D. Carvalho

    (Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

  • Pedro Fonseca

    (Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

  • Ana S. Monteiro

    (Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

  • Aléxia Fernandes

    (Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

  • Jaime Fernández-Fernández

    (Faculty of Physical Activity and Sports Sciences, Universidad de León, 24004 Leon, Spain)

  • Ricardo J. Fernandes

    (Centre of Research, Education, Innovation and Intervention in Sport and Porto Biomechanics Laboratory, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal)

Abstract

Tennis is an asymmetric sport characterized by a systematic repetition of specific movements that may cause disturbances in muscular strength, power, and torque. Thus, we assessed (i) the torque, power, ratio production, and bilateral asymmetries in the shoulder’s external and internal rotations at 90 and 180°/s angular velocities, and (ii) the point duration influence of the above-mentioned variables. Twenty competitive tennis players performed external and internal shoulder rotations; an isokinetic evaluation was conducted of the dominant and non-dominant upper limbs before and after five and ten forehands. A higher torque production in the shoulder’s internal rotations at 90 and 180°/s was observed for the dominant vs. non-dominant sides (e.g., 63.1 ± 15.6 vs. 45.9 ± 9.8% and 62.5 ± 17.3 vs. 44.0 ± 12.6% of peak torque/body mass, p < 0.05). The peak torque decreased only after ten forehands (38.3 ± 15.8 vs. 38.2 ± 15.8 and 39.3 ± 16.1 vs. 38.1 ± 15.6 Nm, respectively, p < 0.05), but without impacting speed or accuracy. Unilateral systematic actions of tennis players caused contralateral asymmetries, evidencing the importance of implementing compensatory training. The forehand kinematic assessment suggests that racket and wrist amplitude, as well as speed, are important success determinants in tennis.

Suggested Citation

  • André V. Brito & Diogo D. Carvalho & Pedro Fonseca & Ana S. Monteiro & Aléxia Fernandes & Jaime Fernández-Fernández & Ricardo J. Fernandes, 2022. "Shoulder Torque Production and Muscular Balance after Long and Short Tennis Points," IJERPH, MDPI, vol. 19(23), pages 1-13, November.
  • Handle: RePEc:gam:jijerp:v:19:y:2022:i:23:p:15857-:d:987004
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    References listed on IDEAS

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    1. Pablo Luna-Villouta & Marcelo Paredes-Arias & Carol Flores-Rivera & Claudio Hernández-Mosqueira & Ricardo Souza de Carvalho & César Faúndez-Casanova & Jaime Vásquez-Gómez & Rodrigo Vargas-Vitoria, 2021. "Anthropometric Characterization and Physical Performance by Age and Biological Maturation in Young Tennis Players," IJERPH, MDPI, vol. 18(20), pages 1-12, October.
    2. Diogo D. Carvalho & Susana Soares & Rodrigo Zacca & Daniel A. Marinho & António J. Silva & David B. Pyne & J. Paulo Vilas-Boas & Ricardo J. Fernandes, 2019. "In-Water and On-Land Swimmers’ Symmetry and Force Production," IJERPH, MDPI, vol. 16(24), pages 1-9, December.
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    Cited by:

    1. Eric Martin & Matthew Ritchey & Steven Kim & Margaret Falknor & George Beckham, 2024. "Lack of Neuromuscular Fatigue Due to Recreational Doubles Pickleball," J, MDPI, vol. 7(3), pages 1-17, July.

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