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Orthotic control of rear foot and lower limb motion during running in participants with chronic Achilles tendon injury

Donoghue, O, Harrison, A, Laxton, P and Jones, RK 2008, 'Orthotic control of rear foot and lower limb motion during running in participants with chronic Achilles tendon injury' , Sports Biomechanics, 7 (2) , pp. 194-205.

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Abstract

This study examined the kinematic effects of orthoses in participants with a history of chronic Achilles tendon injury. Twelve participants ran at self-selected speeds on a treadmill with and without customized orthoses. Joint and segment angles including leg abduction, calcaneal, eversion, ankle dorsiflexion, and knee flexion angles were calculated from three-dimensional data throughout stance. Five footfalls were obtained for each participant and condition. Statistical tests revealed an increase in maximum eversion with orthoses ðP , 0:001;h2 p ¼ 0:642Þ. In the individual participant analysis, this was evident in 9 of 12 participants. Trends towards increased eversion range of motion and decreased ankle dorsiflexion maximum and range of motion angles were also observed. Increased eversion was unexpected as all devices were designed to provide pronation control as deemed necessary by the podiatrist. Despite this, participants reported between 50 and 100% (average 92%) relief from symptoms with the use of orthoses. Further analysis of the angle–time curves and coordination between angular measures is recommended.

Item Type: Article
Themes: Health and Wellbeing
Schools: Colleges and Schools > College of Health & Social Care
Colleges and Schools > College of Health & Social Care > School of Health Sciences > Centre for Health Sciences Research
Colleges and Schools > College of Health & Social Care > School of Health Sciences
Journal or Publication Title: Sports Biomechanics
Publisher: Taylor & Francis
Refereed: Yes
ISSN: 1476-3141
Depositing User: RH Shuttleworth
Date Deposited: 08 May 2012 14:29
Last Modified: 20 Aug 2013 17:27
URI: http://usir.salford.ac.uk/id/eprint/22602

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