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Journal
2014 | 15 | 4 | 221-226
Article title

Effects of Varus Orthotics on Lower Extremity Kinematics During the Pedal Cycle

Content
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Languages of publication
EN
Abstracts
EN
Purpose. Cycling has been shown to be associated with a high incidence of chronic pathologies. Foot orthoses are frequently used by cyclists in order to reduce the incidence of chronic injuries. The aim of the current investigation was to examine the influence of different varus orthotic inclines on the three-dimensional kinematics of the lower extremities during the pedal cycle. Methods. Kinematic information was obtained from ten male cyclists using an eight-camera optoelectronic 3-D motion capture system operating at 250 Hz. Participants cycled with and without orthotic intervention at three different cadences (70, 90 and 110 RPM). The orthotic device was adjustable and four different wedge conditions (0 mm - no orthotic, 1.5 mm, 3.0 mm and 4.5 mm) were examined. Two-way repeated measures ANOVAs were used to compare the kinematic parameters obtained as a function of orthotic inclination and cadence. Participants were also asked to subjectively rate their comfort in cycling using each of the four orthotic devices on a 10-point Likert scale. Results. The kinematic analysis indicated that the orthotic device had no significant influence at any of the three cadences. Analysis of subjective preferences showed a clear preference for the 0 mm, no orthotic, condition. Conclusions. This study suggests that foot orthoses do not provide any protection from skeletal malalignment issues associated with the aetiology of chronic cycling injuries.
Keywords
Publisher

Journal
Year
Volume
15
Issue
4
Pages
221-226
Physical description
Dates
published
1 - 12 - 2014
received
18 - 8 - 2014
accepted
24 - 11 - 2014
online
27 - 3 - 2015
Contributors
  • Division of Sport Exercise and Nutritional Sciences, University of Central Lancashire, Preston, United Kingdom, JKSinclair@uclan.ac.uk
  • Division of Sport Exercise and Nutritional Sciences, University of Central Lancashire, Preston, United Kingdom
  • School of Psychology, University of Central Lancashire, Preston, United Kingdom
author
  • Division of Sport Exercise and Nutritional Sciences, University of Central Lancashire, Preston, United Kingdom
  • Division of Sport Exercise and Nutritional Sciences, University of Central Lancashire, Preston, United Kingdom
  • Division of Sport Exercise and Nutritional Sciences, University of Central Lancashire, Preston, United Kingdom
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_1515_humo-2015-0015
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