Header image   Computational Biomechanics Group  
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Publications
 
Peer-reviewed Journal Papers

Huls, KS, Campbell, JQ, Agarwala, AO, Petrella, AJ, "Development of a Statistical Shape Model to Parameterize Lumbar Spine Anatomy," Computer Methods and Programs in Biomedicine, (submitted, Aug 2011).

Petrella, AJ, Armstrong, JR, Laz, PJ, Rullkoetter, PJ, "A novel cross-shear metric for application in computer simulation of ultra-high molecular weight polyethylene wear," Computer Methods in Biomechanics and Biomedical Engineering, (in press).

Botolin, S, Puttlitz, C, Baldini, T, Petrella, A, Burger, E, Abjornson, C, Patel, V, "Facet joint biomechanics at the treated and adjacent levels after total disc replacement," Spine, Vol. 36, E27-E32, 2011.

Halloran, JP, Clary, CW, Maletsky, LP, Taylor, M, Petrella, AJ, Rullkoetter, PJ, "Verification of Predicted Knee Replacement Kinematics During Simulated Gait in the Kansas Knee Simulator," Journal of Biomechanical Engineering, Vol. 132, p. 081010 (6 pages), 2010.

Petrella, A, Stowe, J, D'Lima, D, Colwell, C, Kessler, O, Rullkoetter, P, Laz, P, "CAS vs. Manual Alignment in THA: A Probabilistic Study of Range of Motion," Clinical Orthopaedics and Related Research, Vol. 467, pp. 50-55, 2009.

Langenderfer, J, Laz, P, Petrella, A and Rullkoetter, P, "An Efficient Probabilistic Methodology for Incorporating Uncertainty in Body Segment Parameters and Anatomical Landmarks in Joint Loadings Estimated from Inverse Dynamics," Journal of Biomechanical Engineering, Vol. 130, p. 014502-1, 2008.

Laz, P, Stowe, J, Baldwin, M, Petrella, A and Rullkoetter, P, "Incorporating Uncertainty in Mechanical Properties for Finite Element-Based Evaluation of Bone Mechanics," Journal of Biomechanics, Vol. 40, pp. 2831-2836, 2007.

Pal, S, Langenderfer, J, Stowe, J, Laz, P, Petrella, A and Rullkoetter, P, "Probabilistic Modeling of Knee Muscle Moment Arms: Effects of Method, Origin-Insertion and Kinematic Uncertainty," Annals of Biomedical Engineering, Vol. 35, pp. 1175-1187, 2007.

Easley, S, Pal, S, Tomaszewski, P, Petrella, A and Rullkoetter, P, and Laz, P, "Finite Element-Based Probabilistic Analysis Tool for Orthopaedic Applications," Computer Methods and Programs in Biomedicine, Vol. 85, pp. 32-40, 2007.

Laz, P, Pal, S, Fields, A, Petrella, A and Rullkoetter, P, "Effects of Knee Simulator Loading and Alignment Variability on Predicted Implant Mechanics: A Probabilistic Study," Journal of Orthopaedic Research, Vol. 24, pp. 2212-2221, 2006.

Laz, P, Pal, S, Halloran, J, Petrella, A and Rullkoetter, P, "Probabilistic Finite Element Prediction of Knee Wear Simulator Mechanics," Journal of Biomechanics, Vol. 39, pp. 2303-2310, 2006.

Penmetsa, J, Laz, P, Petrella, A and Rullkoetter, P, "Influence of Polyethylene Creep Behavior on Wear in Total Hip Arthroplasty," Journal of Orthopaedic Research, Vol. 24, pp. 422-427, 2006.

Bevill, S, Bevill, G, Penmetsa, J, Petrella, A and Rullkoetter, P, "Finite Element Simulation of Early Creep and Wear in Total Hip Arthroplasty," Journal of Biomechanics, Vol. 38, pp. 2365-2374, 2005.

Halloran, J, Easley, S, Petrella, A and Rullkoetter, P, "Comparison of Deformable and Elastic Foundation Finite Element Simulations for Predicting Knee Replacement Mechanics," Journal of Biomechanical Engineering, Vol. 127, pp. 813-818, 2005.

Halloran, J, Petrella, A and Rullkoetter, P, "Explicit Finite Element Modeling of Total Knee Replacement Mechanics", Journal of Biomechanics, Vol. 38, pp. 323-331, 2005.

 
Conference Papers & Presentations

Campbell, JQ, Liang, L, Szymczak, A, Petrella, A, "Optimization of an Automated Mesh Morphing Algorithm for Lumbar Vertebrae," submitted to the 2012 Annual Meeting of the Orthopaedic Research Society, Feb 2012, San Francisco, CA.

Pickett, B, Turner, C, Petrella, A, "Using Nurbs-Based Metamodels as Surrogate Spine Models for More Efficient Probabilistic Analysis," 2011 ASME International Mechanical Engineering Congress and Exposition, Nov 2011, Denver, CO.

Barnes (formerly Huls), KS, Armstrong, JR, Agarwala, A, Petrella, AJ, "Probabilistic Study of a Lumbar Motion Segment: Sensitivity of Kinematics to Material and Anatomical Variability," Annual Summer Meeting of the ASME Bioengineering Division, June 2011, Farmington, PA.

Liang, L, Szymczak, A, Petrella, A, "Nonrigid surface registration using multiple two-way correspondences," Computer Graphics International 2011, June 2011, Ottawa, Canada.

Huls, K, Agarwala, A, Petrella, A, "Automated Generation of Lumbar Finite Element Models for Probabilistic Simulation," 2011 Annual Meeting of the Orthopaedic Research Society, Jan 2011, Long Beach, CA.

Pickens, A, Huls, K, Agarwala, A, Petrella, A, "Probabilistic Analysis of TDR Placement in the Lumbar Spine," 2011 Annual Meeting of the Orthopaedic Research Society, Jan 2011, Long Beach, CA.

Rao, M, Deacy, J, Laz, PJ, Petrella, AJ, Rullkoetter, PJ, "Computationally Efficient Evaluation of Intact and Instrumented Lumbar Spine Mechanics," 2011 Annual Meeting of the Orthopaedic Research Society, Jan 2011, Long Beach, CA.

Botolin S, Puttlitz C, Petrella A, Baldini T, Burger E, Abjornson C, Patel V, "Facet joint biomechanics at the treated and adjacent levels after total disc replacement," 25th Annual Meeting of the North American Spine Society (NASS), October 5-9, 2010, Orlando, FL.

Botolin S, Puttlitz C, Petrella A, Baldini T, Burger E, Abjornson C, Patel V, "Facet joint biomechanics at the treated and adjacent levels after total disc replacement," 12th Meeting of the Combined Orthopaedic Associations (COMOC), September 12-17, 2010, Glasgow, Scotland.

Botolin S, Puttlitz C, Petrella A, Baldini T, Burger E, Abjornson C, Patel V, "Facet joint biomechanics at the treated and adjacent levels after total disc replacement," 7th Annual Meeting of the International Society of Orthopaedic Surgery and Traumatology (SICOT), August 31-September 3, 2010, Gothenburg, Sweden.

Botolin S, Puttlitz C, Petrella A, Baldini T, Burger E, Abjornson C, Patel V, "Facet joint biomechanics at the treated and adjacent levels after total disc replacement," 17th International Meeting on Advanced Spine Techniques (IMAST), July 21-24, 2010, Toronto, Canada. Winner of the Whitecloud Award for Best Basic Science Paper

Huls K, Petrella, A, "Automatic Generation of Virtual Lumbar Motion Segments for Population-Based Simulation of Lumbar Spine Biomechanics," Annual Summer Meeting of the ASME Bioengineering Division, June 2010, Naples, FL. 1st Place MS Student Paper Competition

Armstrong, J, Laz, P, Rullkoetter, P, Petrella, A, "A Generalized Cross-Shear Wear Algorithm Based on a Novel Modification to Archard's Law," Annual Summer Meeting of the ASME Bioengineering Division, June 2010, Naples, FL. 3rd Place MS Student Paper Competition

Deacy, J, Rao, M, Smith, S, Petrella, A, Laz, P, Rullkoetter, P, "Combined Rigid-Deformable Modeling of Lumbar Spine Mechanics," Annual Summer Meeting of the ASME Bioengineering Division, June 2010, Naples, FL. Finalist, BS Student Paper Competition

Botolin S, Puttlitz C, Petrella A, Baldini T, Burger E, Abjornson C, Patel V, "Facet joint biomechanics at the treated and adjacent levels after total disc replacement, "10th Annual Meeting of the Spine Arthroplasty Society (SAS), April 27-30, 2010, New Orleans, LA.

Huls K, Agarwala, A, Rullkoetter, P, Laz, P, Petrella, A, "A Statistical Shape Model for Use in Probabilistic Modeling of the Lumbar Spine," 56th Annual Meeting of the Orthopaedic Research Society, Mar 2010, New Orleans, LA.

Armstrong, J, Laz, P, Rullkoetter, P, Petrella, A, "A Modified Form of the Archard Wear Law to Account for Cross-Shear," 56th Annual Meeting of the Orthopaedic Research Society, Mar 2010, New Orleans, LA.

Laz, PJ, Deacy, JS, Petrella, AJ, Rao, M, Rullkoetter, PJ, "Combined Rigid-Deformable Surrogate Model for Computationally-Efficient Evaluation of Spine Mechanics," 56th Annual Meeting of the Orthopaedic Research Society, Mar 2010, New Orleans, LA.

Botolin S, Baldini T, Burger E, Puttlitz C, Abjornson C, Petrella A, Noshchenko A, Lindley E, Patel V, "Lumbar Facet Joint Biomechanics after Nuclectomy, Nucleus Replacement, and Total Disc Replacement," 24th Annual Meeting of the North American Spine Society (NASS), November 10-14, 2009, San Francisco, CA.

Petrella, A, Armstrong, J, Patel, V, Laz, P, Rullkoetter, P, "A Generalized Cross-Shear Wear Model for Use in Joint Replacement Design," 2009 Meeting of the International Society for Technology in Arthroplasty, Oct 2009, Big Island, Hawaii.

Huls, K, Agarwala, A, Petrella, A, "Modeling Anatomic Variability for Application in Probabilistic Simulation of Lumbar Spine Biomechanics", IV International Conference on Computational Bioengineering, Sept 2009, Bertinoro, Italy.

Rao, M, Petrella, A, Laz, P, Bushelow, M, and Rullkoetter, P, "Evaluation of Posterior Stabilization Configurations on Mechanics of the Lumbar Spine", SAS9: Annual Meeting of the Spine Arthroplasty Society, Apr 2009, London, England.

Petrella, A, Patel, V, Laz, P and Rullkoetter, P, "A Generalized Model for Cross-Shear Wear in Joint Replacements," 55th Annual Meeting of the Orthopaedic Research Society, Feb 2009.

Rao, M, Petrella, A, Baldwin, M, Laz, P, Rullkoetter, P, "Efficient Probabilistic Finite Element Modeling for Evaluation of Spinal Mechanics," 55th Annual Meeting of the Orthopaedic Research Society, Feb 2009.

Ghiglieri, W, Laz, P, Petrella, A, Bushelow, M, Kaddick, C, Rullkoetter, P, "Probabilistic Cervical Disk Wear Simulation Incorporating Cross-Shear Effects," 55th Annual Meeting of the Orthopaedic Research Society, Feb 2009.

Stowe, J, D'Lima, D, Petrella, A, Kessler, O, Rullkoetter, P, Laz, P, "Effect of Manual and CAS Alignment Variability on THA Range of Motion," 54th Annual Meeting of the Orthopaedic Research Society, Mar 2008.

Pal, S, Mitra, S, Laz, P, Petrella, A, and Rullkoetter, P, "Evaluating Measurement Uncertainty in Predicted Tibiofemoral Contact Positions using Fluoroscopy-Driven FEA," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Laz, P, Stowe, J, Baldwin, M, Petrella, A, and Rullkoetter, P, "Effects of Bone Mechanical Properties on Fracture Risk Assessment," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Baldwin, M, Laz, P, Petrella, A, and Rullkoetter, P, "Development and Verification of a Probabilistic Knee Ligament Model," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Richardson, T, Baldwin, M, Langenderfer, J, Laz, P, Petrella, A, and Rullkoetter, P, "Probabilistic Muscle Force Prediction during Gait," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Halloran, J, Laz, P, Pal, S, Maletsky, L, Clary, C, Petrella, A, and Rullkoetter, P, "Probabilistic Analysis of Knee Mechanics during Simulated Gait," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Halloran, J, Baldwin, M, Laz, P, Petrella, A, and Rullkoetter, P, "Effects of Manual and CAS TKR Alignment Tolerances on Joint Mechanics," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Langenderfer, J, Laz, P, Petrella, A, and Rullkoetter, P, "Incorporating Uncertainty in Body Segment Parameters and Anatomical Landmarks in Inverse Dynamics Calculations of Joint Loads," 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Pal, S, Stowe, J, Rullkoetter, P, Laz, P, Petrella, A, and Langenderfer, J, "Effects of Origin, Insertion and Kinematic Uncertainties on Muscle Moment Arms", 53rd Annual Meeting of the Orthopaedic Research Society, Feb 2007.

Laz, P, Pal, S, Fields, A, Halloran, J, Petrella, A, and Rullkoetter, P, "Effects of Simulator Loading and Alignment Variability on Knee Implant Mechanics," Transactions of the 52nd Annual Meeting of the Orthopaedic Research Society, Vol. 31, 2006.

Halloran, J, Clary, C, Maletsky, L, Taylor, M, Petrella, A, and Rullkoetter, P, "Validation of Predicted TKR Kinematic Variation with Implant Design," Transactions of the 52nd Annual Meeting of the Orthopaedic Research Society, Vol. 31, 2006.

Pal, S, Laz, P, Halloran, J, Petrella, A, and Rullkoetter, P, "Robustness of TKR Design to Alignment and Environmental Variability using Probabilistic Mechanics," ASME Summer Bioengineering Meeting, 2005.

Halloran, J, Clary, C, Maletsky, L, Taylor, M, Petrella, A, and Rullkoetter, P, "Experimental Verification of Model-Predicted TKR Kinematics During Simultaneous Tibio- and Patello-Femoral Loading," Transactions of the IMechE Knee Arthroplasty: Engineering Functionality, London, UK, April 2005.

Halloran, J, Maletsky, L, Taylor, M, Clary, C, Petrella, A, and Rullkoetter, P, "Dynamic Finite Element Model Predicts Tibio- and Patello-Femoral Mechanics," Transactions of the 51st Annual Meeting of the Orthopaedic Research Society, Vol. 30, 2005.

Penmetsa, J, Petrella, A, and Rullkoetter, P, "Polyethylene Liner Creep and Wear during Bedding-In," Transactions of the 51st Annual Meeting of the Orthopaedic Research Society, Vol. 30, 2005.

Penmetsa, J, Laz, P, Petrella, A, and Rullkoetter, P, "Influence of Polyethylene Creep Behavior on Wear in THA," Transactions of the 51st Annual Meeting of the Orthopaedic Research Society, Vol. 30, 2005.

Bronson, F, Halloran, J, Laz, P, Petrella, A, and Rullkoetter, P, "Sensitivity of Patellofemoral Mechanics to Patellar Component Position," Transactions of the 51st Annual Meeting of the Orthopaedic Research Society, Vol. 30, 2005.

Laz, P, Pal, S, Halloran, J, Petrella, A, and Rullkoetter, P, "Probabilistic Finite Element Prediction of Knee Wear Simulator Mechanics," Transactions of the 51st Annual Meeting of the Orthopaedic Research Society, Vol. 30, 2005.