THE EFFECT OF TRANSIENT LOADING ON A FOOT-ORTHOTIC USING TEMPORAL PARAMETERS OF GAIT

This study describes a method for performing transient finite element analysis (FEA) of an assistive device using experimental parameters obtained from gait analysis. A subject displaying pathologic gait, owing to lower limb deformity, was chosen for gait study. Using CAD tools, a remedial orthotic...

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Published inJournal of mechanics in medicine and biology Vol. 17; no. 8; p. 1750117
Main Authors JENA, SHREESHAN, SUDRO, PROTIMA NOMO, REDDY, PRANAY VALLURU, THIRUGNANAM, A., PANDA, SUBRATA KUMAR
Format Journal Article
LanguageEnglish
Published Singapore World Scientific Publishing Company 01.12.2017
World Scientific Publishing Co. Pte., Ltd
Subjects
Anthropometry
Deformation
Finite element method
Gait
Mathematical models
Parameters
Predictive control
Regression analysis
transient loading
FEA
gait
regression
orthotic
Online AccessGet full text
ISSN0219-5194
1793-6810
DOI10.1142/S0219519417501172

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Abstract This study describes a method for performing transient finite element analysis (FEA) of an assistive device using experimental parameters obtained from gait analysis. A subject displaying pathologic gait, owing to lower limb deformity, was chosen for gait study. Using CAD tools, a remedial orthotic device was designed, which is expected to improve the gait of the subject. The orthotic model was subjected to static and transient loading conditions obtained from gait study, using an FEA tool. The stress ‘hot’ zones between the two modes of analysis are studied. In addition, the experimental gait data of a healthy control group were recorded to perform univariate regression studies for predicting the peak values of the normal forces, and validated by comparing with those available in the literature. The values thus obtained may be used for static behavioral analysis of assistive devices. From the FEA results, it can be conclusively said that the orthotic model is capable of sustaining gait cycle loading. The regression studies suggest the possibility of using anthropometric data to predict gait forces and subsequently perform static and transient loading analysis of assistive devices.
AbstractList This study describes a method for performing transient finite element analysis (FEA) of an assistive device using experimental parameters obtained from gait analysis. A subject displaying pathologic gait, owing to lower limb deformity, was chosen for gait study. Using CAD tools, a remedial orthotic device was designed, which is expected to improve the gait of the subject. The orthotic model was subjected to static and transient loading conditions obtained from gait study, using an FEA tool. The stress ‘hot’ zones between the two modes of analysis are studied. In addition, the experimental gait data of a healthy control group were recorded to perform univariate regression studies for predicting the peak values of the normal forces, and validated by comparing with those available in the literature. The values thus obtained may be used for static behavioral analysis of assistive devices. From the FEA results, it can be conclusively said that the orthotic model is capable of sustaining gait cycle loading. The regression studies suggest the possibility of using anthropometric data to predict gait forces and subsequently perform static and transient loading analysis of assistive devices.
Author JENA, SHREESHAN
THIRUGNANAM, A.
PANDA, SUBRATA KUMAR
SUDRO, PROTIMA NOMO
REDDY, PRANAY VALLURU
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SubjectTerms Anthropometry
Deformation
Finite element method
Gait
Mathematical models
Parameters
Predictive control
Regression analysis
Title THE EFFECT OF TRANSIENT LOADING ON A FOOT-ORTHOTIC USING TEMPORAL PARAMETERS OF GAIT
URI http://www.worldscientific.com/doi/abs/10.1142/S0219519417501172
https://www.proquest.com/docview/2116155162
Volume 17
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