2019
Deltoid-Spring Ligament Reconstruction in Adult Acquired Flatfoot Deformity With Medial Peritalar Instability
Brodell JD, MacDonald A, Perkins JA, Deland JT, Oh I. Deltoid-Spring Ligament Reconstruction in Adult Acquired Flatfoot Deformity With Medial Peritalar Instability. Foot & Ankle International 2019, 40: 753-761. PMID: 30902021, DOI: 10.1177/1071100719839176.Peer-Reviewed Original ResearchConceptsPROMIS Pain InterferenceSpring ligament tearsPhysical functionPeritalar instabilityRadiographic outcomesLigament reconstructionLigament tearsOsseous correctionFlatfoot deformityPeritalar stabilitySF-36 physical functionTibiocalcaneonavicular ligamentTalo-first metatarsal angleAdult Acquired Flatfoot DeformityPostoperative weightbearing radiographsPostoperative clinical outcomesPROMIS Physical FunctionAnkle Ability MeasureRetrospective case seriesOutcomes Measurement Information SystemViable surgical optionCalcaneal pitch angleTalonavicular coverage angleAcquired Flatfoot DeformityMeasurement Information System
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
2011
Reconstruction of the Symptomatic Idiopathic Flatfoot in Adolescents and Young Adults
Oh I, Williams BR, Ellis SJ, Kwon DJ, Deland JT. Reconstruction of the Symptomatic Idiopathic Flatfoot in Adolescents and Young Adults. Foot & Ankle International 2011, 32: 225-232. PMID: 21477539, DOI: 10.3113/fai.2011.0225.Peer-Reviewed Original ResearchConceptsIdiopathic flatfootRadiographic parametersFlatfoot reconstructionAP talonavicular coverage angleFlexor digitorum longus transferLateral talar-first metatarsal angleYoung adultsFinal followup visitMean AOFAS scorePostoperative radiographic parametersYoung adult patientsReduction of painTime of surgerySports activitiesTalar-first metatarsal angleTalonavicular coverage angleMedial column stabilizationMedializing calcaneal osteotomyFAOS questionnaireSymptomatic flatfootAOFAS scoreFollowup visitLongus transferAdult patientsPersistent pain