Effects of internal stress concentrations in plantar soft-tissue—A preliminary three-dimensional finite element analysis
Abstract It has been hypothesized that diabetic foot ulceration might be internally initiated. This study established a three-dimensional and nonlinear finite element model of a human foot complex with comprehensive skeletal and soft-tissue components. The model was validated by experimental data of...
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| Veröffentlicht in: | Medical engineering & physics 2010-05, Vol.32 (4), p.324-331 |
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| creator | Chen, Wen-Ming Lee, Taeyong Lee, Peter Vee-Sin Lee, Jin Woo Lee, Sung-Jae |
| description | Abstract It has been hypothesized that diabetic foot ulceration might be internally initiated. This study established a three-dimensional and nonlinear finite element model of a human foot complex with comprehensive skeletal and soft-tissue components. The model was validated by experimental data of subject-specific barefoot plantar pressure measurements. The feasibility of the model to predict the 3D, internal, plantar soft-tissue deformation and stress was evaluated. The preliminary results indicate that large von Mises stress occurs where plantar soft-tissue contacts with geometrically irregular bony structures, thus internal stress distribution within the plantar soft-tissue was dramatically influenced by bony prominences due to stress concentration. At the forefoot part, an average stress magnification factor of 3.01 was quantified. The lateral sesamoid bone associated to the 1st MTH showed the largest effect of stress concentration. The modeling approach presented provides a possible way to explore the complexity of the mechanical environment inside the plantar soft-tissue. |
| doi_str_mv | 10.1016/j.medengphy.2010.01.001 |
| format | Article |
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This study established a three-dimensional and nonlinear finite element model of a human foot complex with comprehensive skeletal and soft-tissue components. The model was validated by experimental data of subject-specific barefoot plantar pressure measurements. The feasibility of the model to predict the 3D, internal, plantar soft-tissue deformation and stress was evaluated. The preliminary results indicate that large von Mises stress occurs where plantar soft-tissue contacts with geometrically irregular bony structures, thus internal stress distribution within the plantar soft-tissue was dramatically influenced by bony prominences due to stress concentration. At the forefoot part, an average stress magnification factor of 3.01 was quantified. The lateral sesamoid bone associated to the 1st MTH showed the largest effect of stress concentration. The modeling approach presented provides a possible way to explore the complexity of the mechanical environment inside the plantar soft-tissue.</description><identifier>ISSN: 1350-4533</identifier><identifier>EISSN: 1873-4030</identifier><identifier>DOI: 10.1016/j.medengphy.2010.01.001</identifier><identifier>PMID: 20117957</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Biological and medical sciences ; Biomechanical Phenomena ; Biomechanics. Biorheology ; Cartilage - diagnostic imaging ; Cartilage - physiology ; Connective Tissue - diagnostic imaging ; Connective Tissue - physiology ; Diabetic Foot - diagnostic imaging ; Diabetic Foot - physiopathology ; Elastic Modulus ; Fasciitis, Plantar - diagnostic imaging ; Fasciitis, Plantar - physiopathology ; Finite Element Analysis ; Finite element model ; Foot - diagnostic imaging ; Foot - physiology ; Foot plantar soft-tissue ; Foot Ulcer - diagnostic imaging ; Foot Ulcer - physiopathology ; Fundamental and applied biological sciences. Psychology ; Humans ; Imaging, Three-Dimensional ; Internal tissue stresses ; Ligaments - diagnostic imaging ; Ligaments - physiology ; Models, Biological ; Nonlinear Dynamics ; Radiology ; Sesamoid Bones - diagnostic imaging ; Sesamoid Bones - physiology ; Soft Tissue Injuries - diagnostic imaging ; Soft Tissue Injuries - physiopathology ; Stress concentration ; Stress, Mechanical ; Tissues, organs and organisms biophysics ; Tomography, X-Ray Computed ; Weight-Bearing - physiology</subject><ispartof>Medical engineering & physics, 2010-05, Vol.32 (4), p.324-331</ispartof><rights>IPEM</rights><rights>2010 IPEM</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c553t-29fe372ed5d2d694464882fd5f0e857bf67537aa1c52c1ff0659a27f525c2cbf3</citedby><cites>FETCH-LOGICAL-c553t-29fe372ed5d2d694464882fd5f0e857bf67537aa1c52c1ff0659a27f525c2cbf3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.medengphy.2010.01.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22624410$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20117957$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Wen-Ming</creatorcontrib><creatorcontrib>Lee, Taeyong</creatorcontrib><creatorcontrib>Lee, Peter Vee-Sin</creatorcontrib><creatorcontrib>Lee, Jin Woo</creatorcontrib><creatorcontrib>Lee, Sung-Jae</creatorcontrib><title>Effects of internal stress concentrations in plantar soft-tissue—A preliminary three-dimensional finite element analysis</title><title>Medical engineering & physics</title><addtitle>Med Eng Phys</addtitle><description>Abstract It has been hypothesized that diabetic foot ulceration might be internally initiated. This study established a three-dimensional and nonlinear finite element model of a human foot complex with comprehensive skeletal and soft-tissue components. The model was validated by experimental data of subject-specific barefoot plantar pressure measurements. The feasibility of the model to predict the 3D, internal, plantar soft-tissue deformation and stress was evaluated. The preliminary results indicate that large von Mises stress occurs where plantar soft-tissue contacts with geometrically irregular bony structures, thus internal stress distribution within the plantar soft-tissue was dramatically influenced by bony prominences due to stress concentration. At the forefoot part, an average stress magnification factor of 3.01 was quantified. The lateral sesamoid bone associated to the 1st MTH showed the largest effect of stress concentration. The modeling approach presented provides a possible way to explore the complexity of the mechanical environment inside the plantar soft-tissue.</description><subject>Biological and medical sciences</subject><subject>Biomechanical Phenomena</subject><subject>Biomechanics. Biorheology</subject><subject>Cartilage - diagnostic imaging</subject><subject>Cartilage - physiology</subject><subject>Connective Tissue - diagnostic imaging</subject><subject>Connective Tissue - physiology</subject><subject>Diabetic Foot - diagnostic imaging</subject><subject>Diabetic Foot - physiopathology</subject><subject>Elastic Modulus</subject><subject>Fasciitis, Plantar - diagnostic imaging</subject><subject>Fasciitis, Plantar - physiopathology</subject><subject>Finite Element Analysis</subject><subject>Finite element model</subject><subject>Foot - diagnostic imaging</subject><subject>Foot - physiology</subject><subject>Foot plantar soft-tissue</subject><subject>Foot Ulcer - diagnostic imaging</subject><subject>Foot Ulcer - physiopathology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Imaging, Three-Dimensional</subject><subject>Internal tissue stresses</subject><subject>Ligaments - diagnostic imaging</subject><subject>Ligaments - physiology</subject><subject>Models, Biological</subject><subject>Nonlinear Dynamics</subject><subject>Radiology</subject><subject>Sesamoid Bones - diagnostic imaging</subject><subject>Sesamoid Bones - physiology</subject><subject>Soft Tissue Injuries - diagnostic imaging</subject><subject>Soft Tissue Injuries - physiopathology</subject><subject>Stress concentration</subject><subject>Stress, Mechanical</subject><subject>Tissues, organs and organisms biophysics</subject><subject>Tomography, X-Ray Computed</subject><subject>Weight-Bearing - physiology</subject><issn>1350-4533</issn><issn>1873-4030</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkkuO1DAQhiMEYoaBK0A2iFUaP-I42SC1RsNDGokFsLbcTplxkzjB5YzUrDgEJ-QkVNTNILEBb2yVv_rL5b-K4hlnG85483K_GaGH-Hm-OWwEoyjjG8b4veKct1pWNZPsPp2lYlWtpDwrHiHuGWN13ciHxRmlcN0pfV58u_IeXMZy8mWIGVK0Q4k5AWLppugg5mRzmCLSdTkPNmabSpx8rnJAXODn9x_bck4whDFEmw5lvkkAVR9GiEh5JOdDDBlKGIBiubQUO2DAx8UDbweEJ6f9ovj0-urj5dvq-v2bd5fb68opJXMlOg9SC-hVL_qmow7qthW-V55Bq_TON1pJbS13SjjuPWtUZ4X2Sign3M7Li-LFUXdO09cFMJsxoIOBeoFpQaNr1XSkJP5NStkqLmVNpD6SLk2ICbyZUxipfcOZWR0ye3PnkFkdMowbcogyn55qLDsi7vJ-W0LA8xNg0dnBJxtdwD-caERdc0bc9sgB_d1tgGTQBSDH-pDIUdNP4T8e8-ovDTeQWVT2CxwA99OyzgMablAYZj6sA7XOE2frEkz-AvpPy3w</recordid><startdate>20100501</startdate><enddate>20100501</enddate><creator>Chen, Wen-Ming</creator><creator>Lee, Taeyong</creator><creator>Lee, Peter Vee-Sin</creator><creator>Lee, Jin Woo</creator><creator>Lee, Sung-Jae</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20100501</creationdate><title>Effects of internal stress concentrations in plantar soft-tissue—A preliminary three-dimensional finite element analysis</title><author>Chen, Wen-Ming ; Lee, Taeyong ; Lee, Peter Vee-Sin ; Lee, Jin Woo ; Lee, Sung-Jae</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c553t-29fe372ed5d2d694464882fd5f0e857bf67537aa1c52c1ff0659a27f525c2cbf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Biological and medical sciences</topic><topic>Biomechanical Phenomena</topic><topic>Biomechanics. Biorheology</topic><topic>Cartilage - diagnostic imaging</topic><topic>Cartilage - physiology</topic><topic>Connective Tissue - diagnostic imaging</topic><topic>Connective Tissue - physiology</topic><topic>Diabetic Foot - diagnostic imaging</topic><topic>Diabetic Foot - physiopathology</topic><topic>Elastic Modulus</topic><topic>Fasciitis, Plantar - diagnostic imaging</topic><topic>Fasciitis, Plantar - physiopathology</topic><topic>Finite Element Analysis</topic><topic>Finite element model</topic><topic>Foot - diagnostic imaging</topic><topic>Foot - physiology</topic><topic>Foot plantar soft-tissue</topic><topic>Foot Ulcer - diagnostic imaging</topic><topic>Foot Ulcer - physiopathology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Imaging, Three-Dimensional</topic><topic>Internal tissue stresses</topic><topic>Ligaments - diagnostic imaging</topic><topic>Ligaments - physiology</topic><topic>Models, Biological</topic><topic>Nonlinear Dynamics</topic><topic>Radiology</topic><topic>Sesamoid Bones - diagnostic imaging</topic><topic>Sesamoid Bones - physiology</topic><topic>Soft Tissue Injuries - diagnostic imaging</topic><topic>Soft Tissue Injuries - physiopathology</topic><topic>Stress concentration</topic><topic>Stress, Mechanical</topic><topic>Tissues, organs and organisms biophysics</topic><topic>Tomography, X-Ray Computed</topic><topic>Weight-Bearing - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Wen-Ming</creatorcontrib><creatorcontrib>Lee, Taeyong</creatorcontrib><creatorcontrib>Lee, Peter Vee-Sin</creatorcontrib><creatorcontrib>Lee, Jin Woo</creatorcontrib><creatorcontrib>Lee, Sung-Jae</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Medical engineering & physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Wen-Ming</au><au>Lee, Taeyong</au><au>Lee, Peter Vee-Sin</au><au>Lee, Jin Woo</au><au>Lee, Sung-Jae</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of internal stress concentrations in plantar soft-tissue—A preliminary three-dimensional finite element analysis</atitle><jtitle>Medical engineering & physics</jtitle><addtitle>Med Eng Phys</addtitle><date>2010-05-01</date><risdate>2010</risdate><volume>32</volume><issue>4</issue><spage>324</spage><epage>331</epage><pages>324-331</pages><issn>1350-4533</issn><eissn>1873-4030</eissn><abstract>Abstract It has been hypothesized that diabetic foot ulceration might be internally initiated. This study established a three-dimensional and nonlinear finite element model of a human foot complex with comprehensive skeletal and soft-tissue components. The model was validated by experimental data of subject-specific barefoot plantar pressure measurements. The feasibility of the model to predict the 3D, internal, plantar soft-tissue deformation and stress was evaluated. The preliminary results indicate that large von Mises stress occurs where plantar soft-tissue contacts with geometrically irregular bony structures, thus internal stress distribution within the plantar soft-tissue was dramatically influenced by bony prominences due to stress concentration. At the forefoot part, an average stress magnification factor of 3.01 was quantified. The lateral sesamoid bone associated to the 1st MTH showed the largest effect of stress concentration. The modeling approach presented provides a possible way to explore the complexity of the mechanical environment inside the plantar soft-tissue.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>20117957</pmid><doi>10.1016/j.medengphy.2010.01.001</doi><tpages>8</tpages></addata></record> |
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| subjects | Biological and medical sciences Biomechanical Phenomena Biomechanics. Biorheology Cartilage - diagnostic imaging Cartilage - physiology Connective Tissue - diagnostic imaging Connective Tissue - physiology Diabetic Foot - diagnostic imaging Diabetic Foot - physiopathology Elastic Modulus Fasciitis, Plantar - diagnostic imaging Fasciitis, Plantar - physiopathology Finite Element Analysis Finite element model Foot - diagnostic imaging Foot - physiology Foot plantar soft-tissue Foot Ulcer - diagnostic imaging Foot Ulcer - physiopathology Fundamental and applied biological sciences. Psychology Humans Imaging, Three-Dimensional Internal tissue stresses Ligaments - diagnostic imaging Ligaments - physiology Models, Biological Nonlinear Dynamics Radiology Sesamoid Bones - diagnostic imaging Sesamoid Bones - physiology Soft Tissue Injuries - diagnostic imaging Soft Tissue Injuries - physiopathology Stress concentration Stress, Mechanical Tissues, organs and organisms biophysics Tomography, X-Ray Computed Weight-Bearing - physiology |
| title | Effects of internal stress concentrations in plantar soft-tissue—A preliminary three-dimensional finite element analysis |
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