{"id":{"repo_id":"uwo","oai_identifier":"oai:uwo.scholaris.ca:20.500.14721/31914"},"canonical_url":"https://search.dev.ndltd.org/etd/uwo/oai:uwo.scholaris.ca:20.500.14721/31914","repository":{"repo_id":"uwo","name":"Western University","base_url":"https://uwo.scholaris.ca/server/oai/request"},"display":{"title":"The Bio-Mechanical Development and Kinematic Evaluation of Zone I and Zone II Injuries and their Corresponding Surgical Repair Techniques using an In-Vitro Active Finger Motion Simulator: A Cadaveric Study","abstract":"Research development involving large scale joint mechanics and biomechanical adaptations is growing. However, interest in smaller scale joints, such as the fingers, is limited. Thus, the present work describes the enhancement and clinical application of a previously designed in-vitro active finger motion simulator in measuring and assessing intrinsic joint kinematics and tissue biomechanics including load transfer and strains induced tissues within the finger. Accuracy of electromagnetic tracking (EM) systems were evaluated compared to the standard optical tracking systems and used to develop motion derived finger joint coordinate systems. Moreover, minute strain gauges were utilized to measure strains induced by the volar plate. Multiple in-vitro studies involving zone I and II injuries and repairs were evaluated where joint motion kinematics, tendon loads, work of flexion (WOF), and volar plate strains were measured. Strains, tendon load, and WOF increased with each progressive injury simulation. Joint kinematics were also significantly influenced with each injury simulation. Subsequent repair of the injuries restored metrics to the near-normal state. The active motion system and the present work advances the knowledge on finger biomechanics and provides researchers with a more detailed and refined insight on the overall effect of different innovate surgical techniques, rehabilitation protocols, and traumatic injuries on the biomechanics of single, or multiple, internal structures.","abstract_html":"Research development involving large scale joint mechanics and biomechanical adaptations is growing. However, interest in smaller scale joints, such as the fingers, is limited. Thus, the present work describes the enhancement and clinical application of a previously designed in-vitro active finger motion simulator in measuring and assessing intrinsic joint kinematics and tissue biomechanics including load transfer and strains induced tissues within the finger. Accuracy of electromagnetic tracking (EM) systems were evaluated compared to the standard optical tracking systems and used to develop motion derived finger joint coordinate systems. Moreover, minute strain gauges were utilized to measure strains induced by the volar plate. Multiple in-vitro studies involving zone I and II injuries and repairs were evaluated where joint motion kinematics, tendon loads, work of flexion (WOF), and volar plate strains were measured. Strains, tendon load, and WOF increased with each progressive injury simulation. Joint kinematics were also significantly influenced with each injury simulation. Subsequent repair of the injuries restored metrics to the near-normal state. The active motion system and the present work advances the knowledge on finger biomechanics and provides researchers with a more detailed and refined insight on the overall effect of different innovate surgical techniques, rehabilitation protocols, and traumatic injuries on the biomechanics of single, or multiple, internal structures.","abstract_has_math":false,"creators":["Haddara, Mohammad"],"institution":"The University of Western Ontario","degree_name":"Ph D","degree_level":null,"degree_discipline":"Biomedical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":["Ferreira, Louis M."],"committee_chairs":[],"committee_members":[],"year":2022,"date_issued":"2022-03-21","date_published":"2022-03-21","updated_at":"2026-07-27T21:56:07Z","subjects":["Active Motion Simulator","Tendon","Strain","Joint Kinematics","Cadavers","Volar Plate"],"languages":["en_ca"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/20.500.14721/31914","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Ferreira, Louis M."]},{"key":"dc:creator","label":"Author","values":["Haddara, Mohammad"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2025-07-10T19:24:16Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2025-07-10T19:24:16Z"]},{"key":"dc:date.issued","label":"Date","values":["2022-03-21"]},{"key":"dc:publisher","label":"Institution","values":["The University of Western Ontario"]},{"key":"dc:type","label":"Dc Type","values":["thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Biomedical Engineering"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph D"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Active Motion Simulator","Tendon","Strain","Joint Kinematics","Cadavers","Volar Plate"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_ca"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/20.500.14721/31914"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Collaborative Specialization: Musculoskeletal Health Research","The thesis cover page in the PDF document includes references to Western University’s previous institutional repository platform, known as Scholarship@Western, and links to that platform (beginning with ir.lib.uwo.ca). In citing or referring to this thesis, use the DOI or handle from this page instead. Sample citation: Author name, \"Thesis title.\" (Year). Western University Open Repository. https://doi.org/10.71858/123456."]},{"key":"dc:description.abstract","label":"Abstract","values":["Research development involving large scale joint mechanics and biomechanical adaptations is growing. However, interest in smaller scale joints, such as the fingers, is limited. Thus, the present work describes the enhancement and clinical application of a previously designed in-vitro active finger motion simulator in measuring and assessing intrinsic joint kinematics and tissue biomechanics including load transfer and strains induced tissues within the finger. Accuracy of electromagnetic tracking (EM) systems were evaluated compared to the standard optical tracking systems and used to develop motion derived finger joint coordinate systems. Moreover, minute strain gauges were utilized to measure strains induced by the volar plate. Multiple in-vitro studies involving zone I and II injuries and repairs were evaluated where joint motion kinematics, tendon loads, work of flexion (WOF), and volar plate strains were measured. Strains, tendon load, and WOF increased with each progressive injury simulation. Joint kinematics were also significantly influenced with each injury simulation. Subsequent repair of the injuries restored metrics to the near-normal state. The active motion system and the present work advances the knowledge on finger biomechanics and provides researchers with a more detailed and refined insight on the overall effect of different innovate surgical techniques, rehabilitation protocols, and traumatic injuries on the biomechanics of single, or multiple, internal structures."]},{"key":"dc:title","label":"Title","values":["The Bio-Mechanical Development and Kinematic Evaluation of Zone I and Zone II Injuries and their Corresponding Surgical Repair Techniques using an In-Vitro Active Finger Motion Simulator: A Cadaveric Study"]}]}],"canonical_facts":{"dc:contributor.advisor":["Ferreira, Louis M."],"dc:creator":["Haddara, Mohammad"],"dc:date.accessioned":["2025-07-10T19:24:16Z"],"dc:date.available":["2025-07-10T19:24:16Z"],"dc:date.issued":["2022-03-21"],"dc:description":["Collaborative Specialization: Musculoskeletal Health Research","The thesis cover page in the PDF document includes references to Western University’s previous institutional repository platform, known as Scholarship@Western, and links to that platform (beginning with ir.lib.uwo.ca). In citing or referring to this thesis, use the DOI or handle from this page instead. Sample citation: Author name, \"Thesis title.\" (Year). Western University Open Repository. https://doi.org/10.71858/123456."],"dc:description.abstract":["Research development involving large scale joint mechanics and biomechanical adaptations is growing. However, interest in smaller scale joints, such as the fingers, is limited. Thus, the present work describes the enhancement and clinical application of a previously designed in-vitro active finger motion simulator in measuring and assessing intrinsic joint kinematics and tissue biomechanics including load transfer and strains induced tissues within the finger. Accuracy of electromagnetic tracking (EM) systems were evaluated compared to the standard optical tracking systems and used to develop motion derived finger joint coordinate systems. Moreover, minute strain gauges were utilized to measure strains induced by the volar plate. Multiple in-vitro studies involving zone I and II injuries and repairs were evaluated where joint motion kinematics, tendon loads, work of flexion (WOF), and volar plate strains were measured. Strains, tendon load, and WOF increased with each progressive injury simulation. Joint kinematics were also significantly influenced with each injury simulation. Subsequent repair of the injuries restored metrics to the near-normal state. The active motion system and the present work advances the knowledge on finger biomechanics and provides researchers with a more detailed and refined insight on the overall effect of different innovate surgical techniques, rehabilitation protocols, and traumatic injuries on the biomechanics of single, or multiple, internal structures."],"dc:identifier.uri":["https://hdl.handle.net/20.500.14721/31914"],"dc:language.iso":["en_ca"],"dc:publisher":["The University of Western Ontario"],"dc:subject":["Active Motion Simulator","Tendon","Strain","Joint Kinematics","Cadavers","Volar Plate"],"dc:title":["The Bio-Mechanical Development and Kinematic Evaluation of Zone I and Zone II Injuries and their Corresponding Surgical Repair Techniques using an In-Vitro Active Finger Motion Simulator: A Cadaveric Study"],"dc:type":["thesis"],"thesis:degree_discipline":["Biomedical Engineering"],"thesis:degree_name":["Ph D"]},"updated_at":"2026-07-27T21:56:07Z"}