Full TGIF Record # 196636
Item 1 of 1
DOI:10.1177/1754337111404848
Web URL(s):http://pip.sagepub.com/content/225/3/131.full.pdf+html
    Last checked: 01/27/2012
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http://pip.sagepub.com/content/225/3/131.full.pdf
    Last checked: 01/27/2012
    Requires: PDF Reader
Publication Type:
i
Report
Author(s):Twomey, D. M.; Otago, L.; Ullha, S.; Finch, C. F.
Author Affiliation:Twomey, Otago, Ullah and Finch: School of Human Movement and Sport Sciences, University of Ballarat; Finch: Australian Centre for Research into Injury in Sport and its Prevention, Monash Injury Research Institute, Monash University, Victoria, Australia
Title:Reliability of equipment for measuring the ground hardness and traction
Source:Proceedings of the Institution of Mechanical Engineers:Part P, Journal of Sports Engineering and Technology. Vol. 225, No. 3, September 2011, p. 131-137.
# of Pages:7
Publishing Information:London, England: Professional Engineering Publishing Limited
Related Web URL:http://pip.sagepub.com/content/225/3/131.abstract
    Last checked: 01/27/2012
    Notes: Abstract only
Keywords:TIC Keywords: Clegg Impact Test; Equipment evaluation; Surface hardness; Penetrometers; Rotational traction; Variance
Abstract/Contents:"The aim of this paper is to report the inter-rater reliabilities and intra-rater reliabilities of the Clegg hammer, penetrometer, and studded-boot apparatus used for measuring the mechanical properties of natural turf, and to determine whether the level of experience influences the reliability. Three experienced and three novice testers measured the surface hardness and rotational traction at nine locations on a community-level Australian football oval. A repeated-measures analysis of variance tested for significant differences between the six testers for all equipment, and intra-class correlation coefficients (ICCs) were calculated to determine the inter-rater reliabilities and intra-rater reliabilities. The ICCs for the reliability between the six testers ranged between 0.77 and 0.87 for the Clegg hammer, ranged between 0.55 and 0.73 for the penetrometer, and equalled 0.51 for the studded-boot apparatus. The inter-rater reliabilities and intra-rater reliabilities were greater for the experienced testers than for the novice testers for the Clegg hammer and penetrometer but the novice testers produced greater inter-rater reliabilities for the studded-boot apparatus. This study highlights the potential variability that can exist between testers using the ground hardness and traction equipment, which has implications for future research involving multiple testers both in agronomic-based studies and in linking the surface properties to the injury risk across multiple venues."
Language:English
References:30
Note:Pictures, color
Figures
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Twomey, D. M., L. Otago, S. Ullah, and C. F. Finch. 2011. Reliability of equipment for measuring the ground hardness and traction. Proceedings of the Institution of Mechanical Engineers:Part P, Journal of Sports Engineering and Technology. 225(3):p. 131-137.
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DOI: 10.1177/1754337111404848
Web URL(s):
http://pip.sagepub.com/content/225/3/131.full.pdf+html
    Last checked: 01/27/2012
    Requires: PDF Reader
http://pip.sagepub.com/content/225/3/131.full.pdf
    Last checked: 01/27/2012
    Requires: PDF Reader
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