- Title
- Rotational traction testing : How can we improve the current test device?
- Creator
- Twomey, Dara; Connell, Monique; Petrass, Lauren
- Date
- 2014
- Type
- Text; Conference paper
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/53863
- Identifier
- vital:6309
- Identifier
-
https://doi.org/10.1016/j.proeng.2014.06.156
- Identifier
- ISBN:1877-7058
- Abstract
- Rotational resistance is an important sports surface property in optimising both performance and safety for participants. Despite various attempts to create valid devices to measure the rotational traction, the Studded Boot Apparatus (SBA) originally developed in 1975 is still used in the synthetic turf standards of many governing bodies of sport. In addition to validity limitations, poor operator reliability of the SBA has been reported and it was postulated that the manual nature of the device contributed significantly to this result. Therefore, the aim of this paper is to present data on the automation of the SBA and to discuss the reliability and validity issues of the device. An automated version of the SBA was developed called the UB Turf Tester (UBTT) and data was collected by ten inexperienced operators using the original SBA and the UBTT. Testing was undertaken on a synthetic turf and each operator completed ten trials with each device. Despite a slightly greater peak traction value for the UBTT, there was no significant difference between the peak traction for the two devices, F 1,2 = 0.341, p = 0.57. Greater reliability was found between operators for the UB Turf Tester. Given that the SBA is still commonly used to comply with standards, achieving the highest level of intra- and inter-operator reliability is both desirable and invaluable. However, the research on the validity of the device also needs to continue. Interestingly, limitations of the device were identified when it was first developed but very few adaptations have been implemented since then. Undoubtedly, the interaction between the human and the surface is a complex phenomenon but the weight force, the level of penetration, the pattern, shape and position of the cleats and the possibility of measuring rotational stiffness rather than peak traction all require further discussion and investigation.
- Publisher
- Elsevier Ltd
- Relation
- 2014 10th Conference of the International Sports Engineering Association, ISEA 2014; Sheffield, United Kingdom; 14th-17th July 2014; published in Procedia Engineering, Vol. 72, p. 919-924
- Rights
- © 2014 Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.
- Rights
- Open Access
- Rights
- https://creativecommons.org/licences/by-nc-nd/3.0/
- Rights
- This metadata is freely available under a CCO license
- Subject
- Reliability; Rotational traction; Studded Boot Appartus; Validity; MD Multidisciplinary
- Full Text
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