A minimal limit-cycle model to profile movement patterns of individuals during agility drill performance : effects of skill level

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MEHDIZADEH, Sina, ARSHI, Ahmed Reza and DAVIDS, Keith (2015). A minimal limit-cycle model to profile movement patterns of individuals during agility drill performance : effects of skill level. Human Movement Science, 41, 207-217.

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Official URL: http://dx.doi.org/10.1016/j.humov.2015.03.009
Link to published version:: https://doi.org/10.1016/j.humov.2015.03.009
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    Abstract

    Identification of control strategies during agility performance is significant in understanding movement behavior. This study aimed at providing a fundamental mathematical model for describing the motion of participants during an agility drill and to determine whether skill level constrained model components. Motion patterns of two groups of skilled and unskilled participants (n = 8 in each) during performance of a forward/backward agility drill modeled as limit-cycles. Participant movements were recorded by motion capture of a reflective marker attached to the sacrum of each individual. Graphical and regression analyses of movement kinematics in Hooke’s plane, phase plane and velocity profile were performed to determine components of the models. Results showed that the models of both skilled and unskilled groups had terms from Duffing stiffness as well as Van der Pol damping oscillators. Data also indicated that the proposed models captured on average 97% of the variance for both skilled and unskilled groups. Findings from this study revealed the movement patterning associated with skilled and unskilled performance in a typical forward/backward agility drill which might be helpful for trainers and physiotherapists in enhancing agility.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Centre for Sports Engineering Research
    Identification Number: https://doi.org/10.1016/j.humov.2015.03.009
    Page Range: 207-217
    Depositing User: Carole Harris
    Date Deposited: 15 Jun 2015 09:34
    Last Modified: 17 Mar 2021 15:01
    URI: https://shura.shu.ac.uk/id/eprint/10218

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