Full TGIF Record # 285587
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Web URL(s):https://link.springer.com/article/10.1007/s12283-016-0220-z
    Last checked: 06/15/2017
    Last checked: 06/19/2017
    Requires: PDF Reader
Publication Type:
Author(s):Clarke, James; Carré, Matt J.
Author Affiliation:Sports Engineering Research Group, Department of Mechanical Engineering, The University of Sheffield, Sheffield, UK
Title:The influence of gravimetric moisture content on studded shoe-surface interactions in soccer
Source:Sports Engineering. Vol. 20, No. 2, June 2017, p. 121-132.
# of Pages:12
Publishing Information:[Oxford, England]: Blackwell Science
Keywords:TIC Keywords: Footwear; Soccer fields; Soil moisture; Spike marks; Sports turf tests; Traction tests
Abstract/Contents:"It is desirable for the studs of a soccer shoe to penetrate the sport surface and provide the player with sufficient traction when accelerating. Mechanical tests are often used to measure the traction of shoe-surface combinations. Mechanical testing offers a repeatable measure of shoe-surface traction, eliminating the inherent uncertainties that exist when human participant testing is employed, and are hence used to directly compare the performance of shoe-surface combinations. However, the influence specific surface characteristics has on traction is often overlooked. Examining the influence of surface characteristics on mechanical test results improves the understanding of the traction mechanisms at the shoe-surface interface. This allows footwear developers to make informed decisions on the design of studded outsoles. The aim of this paper is to understand the effect gravimetric moisture content has on the tribological mechanisms at play during stud-surface interaction. This study investigates the relationships between: the gravimetric moisture content of a natural sand-based soccer surface; surface stiffness measured via a bespoke impact test device; and surface traction measured via a bespoke mechanical test device. Regression analysis revealed that surface stiffness decreases linearly with increased gravimetric moisture content (p = 0.04). Traction was found to initially increase and then decrease with gravimetric moisture content. It was observed that: a surface of low moisture content provides low stud penetration and therefore reduced traction; a surface of high moisture content provides high stud penetration but also reduced traction due to a lubricating effect; and surfaces with moisture content in between the two extremes provide increased traction. In this study a standard commercially available stud was used and other studs may provide slightly different results. The results provide insight into the traction mechanisms at the stud-surface interface which are described in the paper. The variation between traction measurements shows the influence gravimetric moisture content will have on player performance. This highlights the requirement to understand surface conditions prior to making comparative shoe-surface traction studies and the importance of using a studded outsole that is appropriate to the surface condition during play."
Note:Pictures, color
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Clarke, J., and M. J. Carré. 2017. The influence of gravimetric moisture content on studded shoe-surface interactions in soccer. Sports Engineering. 20(2):p. 121-132.
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DOI: 10.1007/s12283-016-0220-z
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    Last checked: 06/15/2017
    Last checked: 06/19/2017
    Requires: PDF Reader
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MSU catalog number: b7245814~S39a
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