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Effect of soccer footwear on landing mechanics

Authors

  • R. J. Butler,

    Corresponding author
    1. Physical Therapy Division, Duke University, Durham, North Carolina, USA
    • Corresponding author: Robert J. Butler, PT, PhD, Doctor of Physical Therapy Division, Duke University, DUMC 104002, Durham, NC 27705, USA. Tel: +919 681 7225, Fax: +919 684 1846, E-mail: robert.butler@duke.edu

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  • M. E. Russell,

    1. Department of Orthopedic Surgery, Duke University, Durham, North Carolina, USA
    2. Michael W. Krzyzewski Human Performance Lab, Duke University, Durham, North Carolina, USA
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  • R. Queen

    1. Department of Orthopedic Surgery, Duke University, Durham, North Carolina, USA
    2. Michael W. Krzyzewski Human Performance Lab, Duke University, Durham, North Carolina, USA
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Abstract

Lower-extremity injury is common in soccer. A number of studies have begun to assess why specific lower-extremity injuries occur. However, currently few studies have examined how footwear affects lower-extremity mechanics. In order to address this question, 14 male (age: 22.1 ± 3.9 years, height: 1.77 ± 0.06 m, and mass: 73.3 ± 11.5 kg) and 14 female (age: 22.8 ± 3.1 years, height: 1.68 ± 0.07 m and mass: 64.4 ± 9.2 kg) competitive soccer players underwent a motion analysis assessment while performing a jump heading task. Each subject performed the task in three different footwear conditions (running shoe, bladed cleat, and turf shoe). Two-way analyses of variance were used to examine statistical differences in landing mechanics between the footwear conditions while controlling for gender differences. These comparisons were made during two different parts (prior to and following) of a soccer-specific jump heading task. A statistically significant interaction for the peak dorsiflexion angle (P = 0.02) and peak knee flexion angle (P = 0.05) was observed. Male soccer players exhibited a degree increase in dorsiflexion in the bladed cleat while female soccer players exhibited a three-degree reduction in peak knee flexion in the bladed cleat condition. Other main effects for gender and footwear were also observed. The results suggest that landing mechanics differ based upon gender, footwear, and the type of landing. Therefore, training interventions aimed at reducing lower-extremity injury should consider utilizing sport-specific footwear when assessing movement patterns.

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