Prof Roozbeh Naemi R.Naemi@salford.ac.uk
Professor Rehabilitation & AssistiveTech
Prof Roozbeh Naemi R.Naemi@salford.ac.uk
Professor Rehabilitation & AssistiveTech
Nachiappan Chockalingam
Midsole force–deformation pattern has important implications in determining the kinematics and kinetics of foot during locomotion. Furthermore, the midsole stiffness and viscosity determine the midsole's force–deformation behaviour. Despite the importance of stiffness and damping components of the midsole reaction, which determines the shoe-specific ground reaction forces during locomotion, there is still a lack of methodology to quantify them separately. The purpose of this study was to develop a method of extracting the shoe-specific midsole stiffness and damping components during uniaxial compression testing. For this purpose, the force–deformation behaviour of the sole was modelled as a system consisting of a nonlinear spring and a nonlinear damper. Based on the fact that the stiffness and damping component of the midsole reaction force acts in favour during loading, and work against each other during unloading, the stiffness and damping components were separated. Utilising a curve-fitting technique, a parametric curve represented by the stiffness and damping components of the midsole reaction force model was fitted to each components of force-deformation data to extract the parameters. Statistical tests indicated that the proposed method is reliable for extracting the midsole reaction model parameters with the stiffness and damping components producing favorable results (R2 0.998 ± 0.000 and 0.984 ± 0.018/root mean squared error of 5.550 ± 0.954 and 3.286 ± 2.504, respectively).
Naemi, R., & Chockalingam, N. (2013). Development of a method for quantifying the midsole reaction model parameters. Computer Methods in Biomechanics and Biomedical Engineering, 16(12), 1273-1277. https://doi.org/10.1080/10255842.2012.666795
Journal Article Type | Article |
---|---|
Acceptance Date | Feb 12, 2012 |
Online Publication Date | Apr 11, 2012 |
Publication Date | 2013 |
Deposit Date | Apr 14, 2024 |
Journal | Computer Methods in Biomechanics and Biomedical Engineering |
Print ISSN | 1025-5842 |
Publisher | Taylor and Francis |
Peer Reviewed | Peer Reviewed |
Volume | 16 |
Issue | 12 |
Pages | 1273-1277 |
DOI | https://doi.org/10.1080/10255842.2012.666795 |
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