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
2018
Spring ligament tear decreases static stability of the ankle joint
Kelly M, Masqoodi N, Vasconcellos D, Fowler X, Osman WS, Elfar JC, Olles MW, Ketz JP, Flemister AS, Oh I. Spring ligament tear decreases static stability of the ankle joint. Clinical Biomechanics 2018, 61: 79-83. PMID: 30529505, DOI: 10.1016/j.clinbiomech.2018.11.011.Peer-Reviewed Original ResearchConceptsJoint reactive forcesSpring ligament injurySpring ligament tearsLigament injuryLigament tearsInjury modelTalonavicular jointInjury statesCadaveric lower legsLigament reconstructionHuman cadaveric lower legsNon-invasive methodFlatfoot deformityDeltoid ligamentSpring ligamentLower legJoint stabilityAnkle jointKnee jointBiomechanical studyLigamentLimbSignificant increaseInjuryAdvanced adult
2013
Sensitivity of Plantar Pressure and Talonavicular Alignment to Lateral Column Lengthening in Flatfoot Reconstruction
Oh I, Imhauser C, Choi D, Williams B, Ellis S, Deland J. Sensitivity of Plantar Pressure and Talonavicular Alignment to Lateral Column Lengthening in Flatfoot Reconstruction. Journal Of Bone And Joint Surgery 2013, 95: 1094-1100. PMID: 23783206, PMCID: PMC6948803, DOI: 10.2106/jbjs.k.01032.Peer-Reviewed Original ResearchConceptsLateral aspectPlantar pressureTalonavicular jointLateral columnFlatfoot modelLateral plantar pressureLateral Column LengtheningCadaveric flatfoot modelCadaveric foot specimensPlantar pressure dataAxial loadFlatfoot deformityFlatfoot reconstructionTensile loadAchilles tendonSagittal correctionFlatfoot conditionAbduction angleFoot specimensIntact footContact areaForefootSoft tissueSagittal planeSignificant differences