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A. G. Patwardhan
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Proceedings Papers

The Effect of Graded Facetectomies on the Stiffness of the Lumbar Spine

R. N. Natarajan, S. Paruchuri, G. B. J. Andersson, S. A. Lavender, A. G. Patwardhan
Proc. ASME. IMECE97, Advances in Bioengineering, 203-204, November 16–21, 1997
Paper No: IMECE1997-0299
DOI: https://doi.org/10.1115/IMECE1997-0299
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Topics: Lumbar spine, Stiffness, Finite element model, Mechanical properties, Spinal fusion, Surgery
Proceedings Papers

Vertebral Motions During Flexion-Distraction Treatment for Low Back Pain

M. R. Gudavalli, J. M. Cox, G. D. Cramer, J. A. Baker, A. G. Patwardhan
Proc. ASME. IMECE2000, Advances in Bioengineering, 129-130, November 5–10, 2000
Paper No: IMECE2000-2549
DOI: https://doi.org/10.1115/IMECE2000-2549
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Topics: Computer software, Kinematics, Rods, Stress, Traction
Journal Articles

Effect of Annular Incision Type on the Change in Biomechanical Properties in a Herniated Lumbar Intervertebral Disc

R. N. Natarajan, G. B. J. Andersson, A. G. Patwardhan, S. Verma
Journal: Journal of Biomechanical Engineering
Article Type: Technical Papers
J Biomech Eng. April 2002, 124(2): 229–236.
DOI: https://doi.org/10.1115/1.1449906
Published Online: March 29, 2002
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Topics: Biomechanics, Disks, Shear (Mechanics), Stress, Rotation, Surgery, Wounds, Stiffness, Intervertebral discs, Finite element model
Journal Articles

Study on Effect of Graded Facetectomy on Change in Lumbar Motion Segment Torsional Flexibility Using Three-Dimensional Continuum Contact Representation for Facet Joints

R. N. Natarajan, G. B. J. Andersson, A. G. Patwardhan, T. P. Andriacchi
Journal: Journal of Biomechanical Engineering
Article Type: Research Papers
J Biomech Eng. April 1999, 121(2): 215–221.
DOI: https://doi.org/10.1115/1.2835106
Published Online: April 1, 1999
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Topics: Disks, Risk, Rotation, Stability, Stiffness, Surgery, Torsion, Wounds
Journal Articles

Kinematic Analysis and Simulation of Vertebral Motion Under Static Load—Part I: Kinematic Analysis

A. H. Soni, J. A. Sullivan, Jr., A. G. Patwardhan, M. R. Gudavalli, J. Chitwood
Journal: Journal of Biomechanical Engineering
Article Type: Research Papers
J Biomech Eng. May 1982, 104(2): 105–111.
DOI: https://doi.org/10.1115/1.3138322
Published Online: May 1, 1982
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Topics: Kinematic analysis, Simulation, Stress, Shear (Mechanics), Transducers, Linkages, Kinematics, Lumbar spine, Screws
Journal Articles

Kinematic Analysis and Simulation of Vertebral Motion Under Static Load—Part II: Simulation Study

A. G. Patwardhan, A. H. Soni, J. A. Sullivan, Jr., M. R. Gudavalli, V. Srinivasan
Journal: Journal of Biomechanical Engineering
Article Type: Research Papers
J Biomech Eng. May 1982, 104(2): 112–118.
DOI: https://doi.org/10.1115/1.3138323
Published Online: May 1, 1982
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Topics: Disks, Fittings, Human spine, Kinematic analysis, Kinematic chains, Lumbar spine, Mechanical admittance, Simulation, Simulation models, Stiffness
Journal Articles

Motion Simulation of an Articulated Robotic Arm Subjected to Static Forces

A. G. Patwardhan, A. H. Soni
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. April 1982, 104(2): 494–503.
DOI: https://doi.org/10.1115/1.3256372
Published Online: April 1, 1982
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Topics: Robotics, Simulation, Kinematics, Simulation models, Displacement, Equilibrium (Physics), Stress, Variational techniques
Journal Articles

Technology Transfer in Biokinematics of the Human Spine

A. G. Patwardhan, A. H. Soni, J. A. Sullivan
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. October 1979, 101(4): 594–603.
DOI: https://doi.org/10.1115/1.3454108
Published Online: October 1, 1979
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Topics: Human spine, Kinematics