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
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
2016
Spring Ligament Tear Decreases the Ankle and Talonavicular Joint Reaction Forces
Oh I, Kelly M, Maqsoodi N, Vasconcellos D, Osman W, Fowler X, Elfar J, Olles M. Spring Ligament Tear Decreases the Ankle and Talonavicular Joint Reaction Forces. Foot & Ankle Orthopaedics 2016, 1: 2473011416s00072. DOI: 10.1177/2473011416s00072.Peer-Reviewed Original ResearchSpring ligament tearsLigament reconstructionLigament tearsTalonavicular jointInjury modelJoint reaction forcesTibiocalcaneonavicular ligamentBiomechanical studyMedial ankle instabilityAdjacent soft tissuesSpring ligament reconstructionPrevious anatomic studiesCadaveric lower legsFirst biomechanical studyClinical efficacyHuman cadaveric lower legsValgus deformitySemitendinosus allograftDistal tibiaFlatfoot deformityDeltoid ligamentAnkle instabilityNavicular tuberosityAnatomic studyLower legReconstruction of the Deltoid-Spring Ligament
Grunfeld R, Oh I, Flemister S, Ketz J. Reconstruction of the Deltoid-Spring Ligament. Techniques In Foot & Ankle Surgery 2016, 15: 39-46. DOI: 10.1097/btf.0000000000000108.Peer-Reviewed Original ResearchSurgical techniqueAnatomic reconstructionAdult-acquired flatfoot deformityPeroneus longus allograftSpring ligament insufficiencyFirst surgical techniqueSpring ligament reconstructionSpring ligament complexLigament reconstructionLigament insufficiencyDeformity patientsLigamentous stabilityFlatfoot deformityDeltoid ligamentSpring ligamentLigament complexTibiocalcaneonavicular ligamentDeltoidLigamentAdequate correctionExpert opinionLevel 5AllograftsPatients