PMID: 9165395Jun 1, 1997Paper

The effect of insoles in therapeutic footwear--a finite element approach

Journal of Biomechanics
David LemmonP R Cavanagh

Abstract

Current practice in the prevention of recurrence of neuropathic foot ulcers is to prescribe accommodative in-shoe orthoses or insoles which reduce plantar pressure levels at locations of bony prominences, particularly under the metatarsal heads. To date, design of these orthoses has largely been a trial and error process. There is little quantitative information available regarding the effects of thickness and the influence of soft tissue characteristics on the cushioning effect of such interventions. The current paper investigated alterations in pressure under the second metatarsal head as a function of insole thickness and tissue thickness. Both experimental and quasi-static plane strain finite element approaches were employed. The orthoses chosen reduced plantar pressure by a maximum of approximately 30% and were more effective (on a percentage basis) in the setting of reduced sub-metatarsal tissue thickness. Peak normal stresses predicted by the FE models were, on average, within 5.9% of experimentally measured values for the normal tissue case and 8.1% for the reduced tissue case. The techniques presented represent a promising approach to understanding plantar cushioning and the principles involved in the design of therape...Continue Reading

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Citations

Jun 1, 2000·Medical & Biological Engineering & Computing·C GiacomozziM G Benedetti
Aug 29, 2006·Medical & Biological Engineering & Computing·Ricardo L ActisMichael J Mueller
Feb 13, 2008·Medical & Biological Engineering & Computing·Ricardo L ActisMichael J Mueller
Nov 11, 2010·Medical & Biological Engineering & Computing·A N NataliC Dal Zovo
Jul 28, 2004·Journal of Biomechanics·R Verdejo, N J Mills
May 24, 2005·Journal of Biomechanics·Ahmet ErdemirPeter R Cavanagh
Nov 26, 2002·Journal of Biomechanics·Janice E Miller-YoungGamal Baroud
May 20, 1999·Journal of Biomechanics·P R Cavanagh
Oct 7, 2003·Clinical Biomechanics·Mary K HastingsMichael J Mueller
May 9, 2009·Ergonomics·Channa P WitanaXingfang Lu
Nov 30, 2006·Computer Methods in Biomechanics and Biomedical Engineering·M T PetreP R Cavanagh
Mar 11, 2011·Computer Methods in Biomechanics and Biomedical Engineering·Y D GuZ Y Li
Jun 30, 2011·Computer Methods in Biomechanics and Biomedical Engineering·L A Spyrou, N Aravas
Sep 25, 2007·Journal of Biomechanical Engineering·Sachin P BudhabhattiPeter R Cavanagh
Dec 24, 2008·Journal of Biomechanical Engineering·J M García-AznarL F Llanos
Apr 27, 2010·Annual Review of Biomedical Engineering·Arthur F T MakEric W C Tam
Sep 29, 2001·Journal of Physiological Anthropology and Applied Human Science·I MannaP Dhara
Mar 9, 2010·Journal of Biomechanics·Shruti Pai, William R Ledoux
Jun 23, 2007·Medical Engineering & Physics·Jason Tak-Man Cheung, Ming Zhang
Jul 20, 2010·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·Yaodong GuYanjun Zeng
Feb 9, 2005·Clinical Biomechanics·John B WeaverKeith Paulsen
Jul 19, 2005·Journal of Biomechanics·Ahmet ErdemirPeter Re Cavanagh
Oct 16, 2015·Computer Methods in Biomechanics and Biomedical Engineering·Zaied K AlkhamaaliSrdjan Cirovic
Apr 15, 2014·Medical Engineering & Physics·Duo Wai-Chi WongAaron Kam-Lun Leung
Oct 4, 2005·Journal of Biomechanics·Steven GoskePeter R Cavanagh
Sep 10, 2011·Enzyme Research·Angela BononiPaolo Pinton
Jul 17, 2013·Journal of Biomechanics·Jia YuMing Zhang
Dec 30, 2014·Australasian Physical & Engineering Sciences in Medicine·A GhassemiM T Karimi
Mar 31, 2005·Journal of Biomechanics·Jason Tak-Man CheungYu-Bo Fan

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