Thewlis, Dominic, Paul, Gunther, and Bishop, Chris (2012) Shoes that restrict metatarsophalangeal dorsiflexion cause proximal joint compensations. Journal of Foot and Ankle Research, 5 (Supplememt 1). P28. pp. 1-2.

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Abstract

To describe barefoot, shod and in-shoe kinematics during stance phase of walking gait in a normal arched adult population. An equal sample of males and females (n = 24) was recruited. In order to quantify the effect of footwear independent of technical design features, an ASICS shoe (Onitsuka Tiger-Mexico 66, Japan) was used in this study. Markers were applied to three conditions; barefoot, shod, and in-shoe. The calibration markers were used to define static pose. The order of testing was randomised. Participants completed five trials in each condition. Kinematic data were captured using a 12 camera VICON MX40 motion capture system at 100 Hz and processed in Visual3D. A previously developed model was used to describe joint angles 1. A univariate two-way ANOVA was used to identify any differences between the pairs of conditions. Post-hoc Sheff{\'e} tests were used to further interrogate the data for differences. At peak hallux dorsiflexion (Figure 1), during propulsion, the metatarsophalangeal joint (MPTJ) was significantly more dorsiflexed in the barefoot condition compared to the shod condition (p = 0.004). At the same gait event, the tibiocalcaneal joint (TCJ) was significantly more plantarflexed than both the shod and in-shoe conditions (p {\ensuremath{<}} 0.001), and the tarsometatarsal joint (TMTJ) was significantly less dorsiflexed in the barefoot condition compared to the shod and in-shoe conditions (p {\ensuremath{<}} 0.001). The findings of the current study demonstrate that footwear has significant effects on sagittal plane MPTJ joint dorsiflexion at peak hallux dorsiflexion, which results in compensations at proximal foot joints.

Item ID:	48207
Item Type:	Article (Research - C1)
ISSN:	1757-1146
Keywords:	footwear, gait analysis, shod foot motion
Additional Information:	This poster was presented at the 3rd Congress of the International Foot and Ankle Biomechanics Community, Sydney, Australia. 11-13 March 2012 © 2012 Thewlis et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Date Deposited:	13 Jul 2017 00:56
FoR Codes:	11 MEDICAL AND HEALTH SCIENCES > 1106 Human Movement and Sports Science > 110601 Biomechanics @ 100%
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