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Constantine K. Demetropoulos
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Proceedings Papers

Novel Measurement of Intradiscal Pressure in Underbody Blast Simulation

Connor A. Bradfield, Constantine K. Demetropoulos, Connor O. Pyles, Eyal Bar-Kochba, Alexander S. Iwaskiw, Edwin B. Gienger, Andrew C. Merkle, Robert S. Armiger
Proc. ASME. IMECE2016, Volume 3: Biomedical and Biotechnology Engineering, V003T04A040, November 11–17, 2016
Paper No: IMECE2016-67426
DOI: https://doi.org/10.1115/IMECE2016-67426
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Topics: Pressure, Simulation, Testing, Lumbar spine, Biomechanics, Fracture (Materials), Fracture (Process), Intervertebral discs, Spinal fractures, Stress
Proceedings Papers

Mathematical Optimization of Mechanical Testing to Study Periprosthetic Fracture Following Femoral Trochanteric Nail Fixation

Andrew T. Schenk, Kevin S. Horowitz, Paul F. Bucchi, Patrick J. Wiater, Constantine K. Demetropoulos
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 273-274, June 25–29, 2008
Paper No: SBC2008-192394
DOI: https://doi.org/10.1115/SBC2008-192394
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Topics: Fracture (Materials), Fracture (Process), Mechanical testing, Optimization, Biomechanics, Orthopedics, Osteoporosis, Risk, Titanium
Proceedings Papers

Biomechanical Effects of Lumbar Pedicle Screw Insertion Depth on Screw Loosening and Fulcrum Location

Laura E. Buckenmeyer, Kristophe J. Karami, Ata M. Kiapour, Vijay K. Goel, Constantine K. Demetropoulos, Teck M. Soo
Proc. ASME. SBC2013, Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions, V01BT60A002, June 26–29, 2013
Paper No: SBC2013-14324
DOI: https://doi.org/10.1115/SBC2013-14324
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Topics: Biomechanics, Screws, Spinal pedicle screws, Bone, Osteoporosis, Risk, Failure, Lumbar spine, Orthopedics, Surgery
Proceedings Papers

Optimization of Pedicle Screw Depth in the Lumbar Spine

Laura E. Buckenmeyer, Kristophe J. Karami, Ata M. Kiapour, Vijay K. Goel, Teck M. Soo, Constantine K. Demetropoulos
Proc. ASME. SBC2013, Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions, V01BT56A004, June 26–29, 2013
Paper No: SBC2013-14322
DOI: https://doi.org/10.1115/SBC2013-14322
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Topics: Lumbar spine, Optimization, Spinal pedicle screws, Screws, Osteoporosis
Journal Articles

Finite Element Model of the Knee for Investigation of Injury Mechanisms: Development and Validation

Ali Kiapour, Ata M. Kiapour, Vikas Kaul, Carmen E. Quatman, Samuel C. Wordeman, Timothy E. Hewett, Constantine K. Demetropoulos, Vijay K. Goel
Journal: Journal of Biomechanical Engineering
Article Type: Research-Article
J Biomech Eng. January 2014, 136(1): 011002.
Paper No: BIO-13-1126
DOI: https://doi.org/10.1115/1.4025692
Published Online: November 26, 2013
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Topics: Anterior cruciate ligament, Cartilage, Finite element model, Kinematics, Knee, Injury mechanisms, Stress, Biomechanics, Pressure, Wounds
Proceedings Papers

ACL Injury Mechanism is Related to Articular Pressure Distribution: A Cadaveric and Finite Element Investigation

Ata M. Kiapour, Constantine K. Demetropoulos, Ali Kiapour, Carmen E. Quatman, Jason W. Levine, Samuel C. Wordeman, Timothy E. Hewett, Vijay K. Goel
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 283-284, June 20–23, 2012
Paper No: SBC2012-80659
DOI: https://doi.org/10.1115/SBC2012-80659
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Topics: Anterior cruciate ligament, Finite element analysis, Injury mechanisms, Pressure, Bone, Wounds, Knee, Osteoarthritis, Cartilage, Damage
Proceedings Papers

Directed Injection of Vertebroplastic Cement at the Site of a Lytic Metastatic Lesion Restores Strength With Minimum Injection Volume

Ata M. Kiapour, Eeric Truumees, Vijay K. Goel, Constantine K. Demetropoulos
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 1117-1118, June 20–23, 2012
Paper No: SBC2012-80668
DOI: https://doi.org/10.1115/SBC2012-80668
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Topics: Cements (Adhesives), Fracture (Materials), Fracture (Process), Biomechanics, Diseases, Osteoporosis, Performance, Risk, Tumors, Canals
Proceedings Papers

Global Quasi-Static Mechanical Characterization of the Human Knee Under Single- and Multi-Axis Unconstrained Loading Conditions

Ata M. Kiapour, Carmen E. Quatman, Richard C. Ditto, Jason W. Levine, Samuel C. Wordeman, Timothy E. Hewett, Vijay K. Goel, Constantine K. Demetropoulos
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 1119-1120, June 20–23, 2012
Paper No: SBC2012-80676
DOI: https://doi.org/10.1115/SBC2012-80676
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Topics: Knee, Wounds, Anterior cruciate ligament, Biomechanics, Bearings, Cartilage, Injury mechanisms, Kinematics, Pressure, Risk
Proceedings Papers

Effects of Quadriceps and Hamstrings Ratio on ACL Strain During Landing Activities

Carmen E. Quatman, Ata M. Kiapour, Ali Kiapour, Jason W. Levine, Samuel C. Wordeman, Constantine K. Demetropoulos, Timothy E. Hewett, Vijay K. Goel
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 181-182, June 20–23, 2012
Paper No: SBC2012-80672
DOI: https://doi.org/10.1115/SBC2012-80672
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Topics: Anterior cruciate ligament, Stress, Knee, Muscle, Wounds, Biomechanics, Finite element analysis, Risk, Damage, Design