Definition of coordinate system for three-dimensional data analysis in the foot and ankle.

Hdl Handle:
http://hdl.handle.net/10147/207535
Title:
Definition of coordinate system for three-dimensional data analysis in the foot and ankle.
Authors:
Green, Connor; Fitzpatrick, Clare; FitzPatrick, David; Stephens, Michael; Quinlan, William; Flavin, Robert
Affiliation:
Department of Trauma and Orthopaedics, St. Vincent's University Hospital,, Donnybrook, Dublin 4, Ireland. connorjgreen@gmail.com
Citation:
Foot Ankle Int. 2011 Feb;32(2):193-9.
Journal:
Foot & ankle international / American Orthopaedic Foot and Ankle Society [and], Swiss Foot and Ankle Society
Issue Date:
1-Feb-2012
URI:
http://hdl.handle.net/10147/207535
DOI:
10.3113/FAI.2011.0193
PubMed ID:
21288421
Abstract:
BACKGROUND: Three-dimensional data is required to have advanced knowledge of foot and ankle kinematics and morphology. However, studies have been difficult to compare due to a lack of a common coordinate system. Therefore, we present a means to define a coordinate frame in the foot and ankle and its clinical application. MATERIALS AND METHODS: We carried out ten CT scans in anatomically normal feet and segmented them in a general purpose segmentation program for grey value images. 3D binary formatted stereolithography files were then create and imported to a shape analysis program for biomechanics which was used to define a coordinate frame and carry out morphological analysis of the forefoot. RESULTS: The coordinate frame had axes standard deviations of 2.36 which are comparable to axes variability of other joint coordinate systems. We showed a strong correlation between the lengths of the metatarsals within and between the columns of the foot and also among the lesser metatarsal lengths. CONCLUSION: We present a reproducible method for construction of a coordinate system for the foot and ankle with low axes variability. CLINICAL RELEVANCE: To conduct meaningful comparison between multiple subjects the coordinate system must be constant. This system enables such comparison and therefore will aid morphological data collection and improve preoperative planning accuracy.
Language:
eng
MeSH:
Adult; Ankle Joint/*anatomy & histology/radiography; Case-Control Studies; Computer Simulation; Female; Foot Bones/*anatomy & histology/radiography; Humans; *Imaging, Three-Dimensional; Male; Preoperative Care; Retrospective Studies; Tomography, X-Ray Computed
ISSN:
1071-1007 (Print); 1071-1007 (Linking)

Full metadata record

DC FieldValue Language
dc.contributor.authorGreen, Connoren_GB
dc.contributor.authorFitzpatrick, Clareen_GB
dc.contributor.authorFitzPatrick, Daviden_GB
dc.contributor.authorStephens, Michaelen_GB
dc.contributor.authorQuinlan, Williamen_GB
dc.contributor.authorFlavin, Roberten_GB
dc.date.accessioned2012-02-01T10:30:36Z-
dc.date.available2012-02-01T10:30:36Z-
dc.date.issued2012-02-01T10:30:36Z-
dc.identifier.citationFoot Ankle Int. 2011 Feb;32(2):193-9.en_GB
dc.identifier.issn1071-1007 (Print)en_GB
dc.identifier.issn1071-1007 (Linking)en_GB
dc.identifier.pmid21288421en_GB
dc.identifier.doi10.3113/FAI.2011.0193en_GB
dc.identifier.urihttp://hdl.handle.net/10147/207535-
dc.description.abstractBACKGROUND: Three-dimensional data is required to have advanced knowledge of foot and ankle kinematics and morphology. However, studies have been difficult to compare due to a lack of a common coordinate system. Therefore, we present a means to define a coordinate frame in the foot and ankle and its clinical application. MATERIALS AND METHODS: We carried out ten CT scans in anatomically normal feet and segmented them in a general purpose segmentation program for grey value images. 3D binary formatted stereolithography files were then create and imported to a shape analysis program for biomechanics which was used to define a coordinate frame and carry out morphological analysis of the forefoot. RESULTS: The coordinate frame had axes standard deviations of 2.36 which are comparable to axes variability of other joint coordinate systems. We showed a strong correlation between the lengths of the metatarsals within and between the columns of the foot and also among the lesser metatarsal lengths. CONCLUSION: We present a reproducible method for construction of a coordinate system for the foot and ankle with low axes variability. CLINICAL RELEVANCE: To conduct meaningful comparison between multiple subjects the coordinate system must be constant. This system enables such comparison and therefore will aid morphological data collection and improve preoperative planning accuracy.en_GB
dc.language.isoengen_GB
dc.subject.meshAdulten_GB
dc.subject.meshAnkle Joint/*anatomy & histology/radiographyen_GB
dc.subject.meshCase-Control Studiesen_GB
dc.subject.meshComputer Simulationen_GB
dc.subject.meshFemaleen_GB
dc.subject.meshFoot Bones/*anatomy & histology/radiographyen_GB
dc.subject.meshHumansen_GB
dc.subject.mesh*Imaging, Three-Dimensionalen_GB
dc.subject.meshMaleen_GB
dc.subject.meshPreoperative Careen_GB
dc.subject.meshRetrospective Studiesen_GB
dc.subject.meshTomography, X-Ray Computeden_GB
dc.titleDefinition of coordinate system for three-dimensional data analysis in the foot and ankle.en_GB
dc.contributor.departmentDepartment of Trauma and Orthopaedics, St. Vincent's University Hospital,, Donnybrook, Dublin 4, Ireland. connorjgreen@gmail.comen_GB
dc.identifier.journalFoot & ankle international / American Orthopaedic Foot and Ankle Society [and], Swiss Foot and Ankle Societyen_GB
dc.description.provinceLeinster-

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