Footwear traction at different areas on artificial and natural grass fields |
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| Authors: | John W Wannop Geng Luo Darren J Stefanyshyn |
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| Institution: | 1. Human Performance Lab, Faculty of Kinesiology, University of Calgary, 2500 University Drive N.W., Calgary, AB, T2N 1N4, Canada
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| Abstract: | Footwear traction has been linked to lower-extremity injuries with the theory that higher traction leads to an increased incidence of injury. Recent studies have challenged this showing similar injury rates on artificial turf, which has higher traction than natural grass. This could suggest that the magnitude of traction may not be as relevant for injury as relative changes from one location to another, due to inconsistencies in the surface. The purpose of this study was to compare the traction at various locations on an in-fill artificial turf and natural grass surface. A portable traction tester measured the traction of three shoes at six locations on both surfaces. The results indicate that over the course of a season the traction on natural grass changes considerably, especially rotational traction. Surprisingly the artificial turf surface also had areas of high and low traction due to the movement of the in-fill material during play. |
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