2022
Peritalar Kinematics Restored with Combined Subtalar Fusion and Medial Ligament Reconstruction in a Simulated Advance Progressive Collapsing Flatfoot Deformity Model
Tecle N, Oh I, Gira E, Awad H. Peritalar Kinematics Restored with Combined Subtalar Fusion and Medial Ligament Reconstruction in a Simulated Advance Progressive Collapsing Flatfoot Deformity Model. Foot & Ankle Orthopaedics 2022, 7: 2473011421s00470. PMCID: PMC8793585, DOI: 10.1177/2473011421s00470.Peer-Reviewed Original ResearchMedializing calcaneal osteotomySubtalar fusionLigament reconstructionValgus angleSevere flatfoot modelHeel alignmentFlatfoot modelMeary's angleCoronal angleMedial ankle ligamentsMedial ligament reconstructionSequential surgical proceduresMultiple comparison testCadaveric foot specimensTibiotalar osteoarthritisTibiotalar angleMedial archValgus alignmentTibiotalar jointFlatfoot deformityHindfoot alignmentAnkle ligamentsSurgical proceduresCalcaneal osteotomyMedial stability
2020
Peritalar Kinematics With Combined Deltoid-Spring Ligament Reconstruction in Simulated Advanced Adult Acquired Flatfoot Deformity
MacDonald A, Ciufo D, Vess E, Knapp E, Awad HA, Ketz JP, Flemister AS, Oh I. Peritalar Kinematics With Combined Deltoid-Spring Ligament Reconstruction in Simulated Advanced Adult Acquired Flatfoot Deformity. Foot & Ankle International 2020, 41: 1149-1157. PMID: 32495639, DOI: 10.1177/1071100720929004.Peer-Reviewed Original ResearchConceptsSpring ligament tearsLigament reconstructionDeltoid ligament reconstructionLigament tearsTibiotalar jointFlatfoot deformityPeritalar stabilityFlatfoot modelTibiocalcaneonavicular ligamentAdult Acquired Flatfoot DeformityRecent anatomic studiesAcquired Flatfoot DeformityCadaveric flatfoot modelCadaveric foot specimensPeritalar jointsProgressive deformityValgus deformityMedial ligamentValgus alignmentSubtalar jointValgus angleDeltoid ligamentSevere modelMedial stabilityAnatomic study
2019
Alterations in tibiotalar joint reaction force following syndesmotic injury are restored with static syndesmotic fixation
Kelly M, Vasconcellos D, Osman WS, Masqoodi N, Fowler X, Elfar JC, Olles MW, Flemister AS, Ketz JP, Oh I. Alterations in tibiotalar joint reaction force following syndesmotic injury are restored with static syndesmotic fixation. Clinical Biomechanics 2019, 69: 156-163. PMID: 31352256, DOI: 10.1016/j.clinbiomech.2019.07.013.Peer-Reviewed Original ResearchConceptsAnatomic reductionSyndesmotic injuriesJoint reaction forcesSyndesmotic screwInjury statesHuman cadaveric lower extremitiesAnkle joint instabilitySignificant differencesCadaveric lower extremitiesMethod of fixationSignificant dissectionSyndesmotic fixationLower extremitiesTibiotalar jointJoint instabilityIntraarticular placementSteinmann pinsInjuryInvasive methodCadaver studyMalreductionReaction forcesQuadricortical screwsJoint mechanicsSignificant increase
2016
A Novel Method for Measurement of Ankle Joint Reaction Force and Response to Syndesmotic Injury
Kelly M, Maqsoodi N, Vasconcellos D, Osman W, Oh I, Fowler X, Elfar J, Olles M, Ketz J. A Novel Method for Measurement of Ankle Joint Reaction Force and Response to Syndesmotic Injury. Foot & Ankle Orthopaedics 2016, 1: 2473011416s00005. DOI: 10.1177/2473011416s00005.Peer-Reviewed Original ResearchJoint reactive forcesSyndesmotic injuriesTibiotalar jointAnatomic reductionTibiofibular ligamentSyndesmotic screwPeri-articular soft tissuesForce-displacement curvesDistraction forcePosterior tibiofibular ligamentNoninvasive measurementLower extremity limbsTibio-talar jointAnkle joint reaction forceSurgical stabilizationSyndesmotic ligamentsSyndesmotic fixationUpper extremityJoint instabilityArticular pathologySyndesmosisInjuryStatistical differenceSoft tissueLigament