Wrestling: Interaction of wrestling shoe and competition surface: Effects on coefficient of friction with implications for injury

Robert Newton, Brandon Doan, William Kramer, Michael Meese, Brian Conroy, Kevin Black, Wayne Sebstianelli

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The purpose of this study was to determine whether there is a significant difference in the co‐efficient of friction (Fc) between old versus new wrestling shoes and mats and to investigate the effect of perspiration. Fc was measured by dragging a weighted shoe over a wrestling mat surface and measuring the vertical and horizontal forces produced. Three different shoe conditions were assessed over two mat types for both wet and dry conditions for a total of 12 conditions. To simulate the wet condition, saline solution was smeared over the surface of the mat. There was a significant effect of shoe, mat, and wet/dry conditions. In addition, significant interactions of shoe by mat, shoe by dry/wet, and mat by dry/wet were observed. Overall, Fc was 36% higher for the new wrestling mat compared to the old wrestling mat. Application of the saline solution reduced Fc by 14% compared to the dry condition. Comparison of the mean Fc for all three shoe types revealed the Fc for the older design shoe was 23% to 28% lower than the brand new shoe and the worn newer design, respectively. A high Fc, such as in the new mat/new shoe combination, has the potential to increase the risk of knee and ankle injuries by fixing the foot more securely to the ground.

Original languageEnglish (US)
Pages (from-to)157-166
Number of pages10
JournalSports Biomechanics
Volume1
Issue number2
DOIs
StatePublished - Jul 1 2002

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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