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|Title: ||A methodology to investigate the relationship between lower-limb dynamics and shoe stiffness using custom-built footwear|
|Authors: ||Toon, Daniel|
Vinet, Andrea M.
Pain, Matthew T.G.
Caine, Michael P.
|Keywords: ||Additive manufacturing|
Longitudinal bending stiffness
|Issue Date: ||2011|
|Publisher: ||© Sage Publications|
|Citation: ||TOON, D. ... et al, 2011. A methodology to investigate the relationship between lower-limb dynamics and shoe stiffness using custom-built footwear. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology, 225 (1), pp. 32-37|
|Abstract: ||It has been demonstrated that, by varying the mechanical properties of footwear,
the sprinting performance can be improved. It has been hypothesized that, for maximal performance,
tuning the shoe stiffness to the requirements of the athlete is necessary. The aim of
this study was to investigate the feasibility of using sprint shoes constructed with selectivelaser-
sintered Nylon 12 sole units for sprint-related jump tasks and to examine whether
adaptations to the mechanical properties of the footwear were sufficient to elicit changes to
lower-limb dynamics during athletic performance. An internationally competitive sprinter
completed sprint-related jump metrics in various selective-laser-sintered shoes with bending
stiffnesses of 9N, 24.5 N, and 38N in flexion and 7.4 N, 14.7 N, and 26.1N in extension. The
participant performed best in the medium-stiffness shoe for squat jumps and the maximumstiffness
shoe for bounce drop jumps. This investigation has demonstrated that selective laser
sintering can produce high-integrity footwear with markedly different mechanical properties.
Such footwear, coupled with an appropriate test method, has been shown to be suitable for
investigating the relationship between lower-limb dynamics and shoe stiffness.|
|Description: ||This article is closed access, it was published in the journal, Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology [© Sage]. The definitive version is available at: http://pip.sagepub.com/content/225/1/32.abstract|
|Publisher Link: ||http://pip.sagepub.com/content/225/1/32.abstract|
|Appears in Collections:||Closed Access (Mechanical, Electrical and Manufacturing Engineering)|
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