2013
Design and Evaluation of Partial Weight-Bearing Sensor and Haptic Feedback System for Lower-Extremity Orthopedic Patients
DeLuke L, Zheng Y, Fan R, Fu M, Grauer J, Morrell J. Design and Evaluation of Partial Weight-Bearing Sensor and Haptic Feedback System for Lower-Extremity Orthopedic Patients. 2013, 3378-3383. DOI: 10.1109/smc.2013.576.Peer-Reviewed Original ResearchWeight-bearing loadHaptic feedback systemLow-cost alternativeOrthopedic surgery patientsPartial weight bearingHaptic alertsLoadSurgery patientsWeight bearingOrthopedic patientsClinical toleranceCompliance aidsHealthy subjectsDevicesPrescribed limitsHaptic stimuliPatientsFeedback systemDesignSensorsRehabilitation aidBearing
2012
Biomechanical comparison of endplate forces generated by uniaxial screws and monoaxial pedicle screws.
Essig DA, Miller CP, Xiao M, Ivancic P, Jegede K, Badrinath R, Smith BG, Grauer JN. Biomechanical comparison of endplate forces generated by uniaxial screws and monoaxial pedicle screws. Orthopedics 2012, 35: e1528-32. PMID: 23027492, DOI: 10.3928/01477447-20120919-24.Peer-Reviewed Original ResearchConceptsScrew-bone interfaceLoad cellBiomechanical ComparisonLess dense boneRotational controlMonoaxial pedicle screwsMonoaxial screwsScrew failureForce slopeReduced forceForceInterfaceAngleRodsScrewsImproved correctionDense boneBetter rotational controlPedicle screwsInferior vertebral endplateLoadPlasticPolyaxial screws
2005
Effects of Charité Artificial Disc on the Implanted and Adjacent Spinal Segments Mechanics Using a Hybrid Testing Protocol
Goel VK, Grauer JN, Patel TCh, Biyani A, Sairyo K, Vishnubhotla S, Matyas A, Cowgill I, Shaw M, Long R, Dick D, Panjabi MM, Serhan H. Effects of Charité Artificial Disc on the Implanted and Adjacent Spinal Segments Mechanics Using a Hybrid Testing Protocol. Spine 2005, 30: 2755-2764. PMID: 16371899, DOI: 10.1097/01.brs.0000195897.17277.67.Peer-Reviewed Original ResearchConceptsFinite element modelHybrid testing protocolFacet loadsElement modelPure momentsFinite element model validationLoad control modeLoad-controlled experimentsIntact caseArtificial disc designsL3-S1 segmentsIntradiscal pressure changesL3-L4 segmentLoad controlAxial compressionDisk designControl modeShear stressLoad sharingArtificial discSuch implantsFacet loadingCadaveric testingSegment mechanicsLoad
1998
Critical load of the human cervical spine: an in vitro experimental study
Panjabi MM, Cholewicki J, Nibu K, Grauer J, Babat LB, Dvorak J. Critical load of the human cervical spine: an in vitro experimental study. Clinical Biomechanics 1998, 13: 11-17. PMID: 11415766, DOI: 10.1016/s0268-0033(97)00057-0.Peer-Reviewed Original ResearchCritical loadHuman cervical spineEuler theoryCompressive forceCritical load valuesHuman cervical spine specimensMaximum compressive forceCervical spine specimensSpine specimensAverage critical loadAxial compressionExternal loadStiffness dataLoad valuesLoadEuler's senseExperimental resultsExperimental studySpecial apparatusForceAverage headPlaneSpecimensStiffness