Effect of environmental constraints on multi-segment coordination patterns during the tennis service in expert performers

SHAFIZADEH, Mohsen, BONNER, Stuart, FRASER, Jonathan and BARNES, Andrew (2018). Effect of environmental constraints on multi-segment coordination patterns during the tennis service in expert performers. Journal of sports sciences, 37 (9), 1011-1020.

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Official URL: https://www.tandfonline.com/doi/full/10.1080/02640...
Link to published version:: https://doi.org/10.1080/02640414.2018.1538691
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    Abstract

    The aims of this study were to examine the effect of different environmental constraints on kinematic multi-segment coordination patterns during the service and its coordination with service time variability. Ten expert tennis players (Age: 34.1±5.3) volunteered to take part in this study. Participants served 30 times in 3 different conditions: control, target and opposition. The order of conditions was counterbalanced between participants. A wireless 3D motion capture system (STT Co, Spain) was used to measure 7 joint motions, with a 17 degrees of freedom biomechanical model created to capture the entire service action. Results of the principal component analysis showed that 4 synergies were created; however, their roles were changed relative to the perception of the environment. The results of repeated-measures analysis of variance did not show any significant difference on total variance and individual principal components between conditions; however, one synergy pattern significantly predicted the service time variability in both control and opposition conditions. In conclusion, the findings demonstrated that expert performers reduce the joint dimensionality by creating functional synergies in different phases of service and adapt the service action according to the perception of the environment.

    Item Type: Article
    Uncontrolled Keywords: 1106 Human Movement And Sports Science; 1302 Curriculum And Pedagogy; Sport Sciences
    Departments - Does NOT include content added after October 2018: Health and Well-being > Department of Sport
    Identification Number: https://doi.org/10.1080/02640414.2018.1538691
    Page Range: 1011-1020
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 31 Oct 2018 09:59
    Last Modified: 31 Oct 2019 01:18
    URI: http://shura.shu.ac.uk/id/eprint/23150

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