Peer-Reviewed Journal Articles


  1. Voronov LI, Havey RM, Khayatzadeh S, Carandang G, Romo J, Patwardhan AG. Posterior Cervical Cages as a Supplement to the Anterior Integrated Cage and Comparison with Plated ACDF Biomechanical Assessment. The Spine Journal 17(10):S182-S183 Oct 2017. [abstract link]

  2. Khayatzadeh S, Havey RM, Carandang G, Romo J, Voronov LI, Patwardhan AG. Effect of Posterior Cervical Cages Supplemental to Anterior Cervical Integrated Cage Fusion on Lordotic Alignment, Foraminal Height, and Intersegmental Space. The Spine Journal 17(10):S101-S102 Oct 2017. [abstract link]

  3. Guyer R, Voronov LI, Havey RM, Carandang G, Khayatzadeh S, Blank K, Rubin J, Padovani N, Patwardhan AG. Biomechanical Assessment of Viscoelastic Cervical Disc Prosthesis in One- and Two-Level Constructs. The Spine Journal 17(10):S100 Oct 2017. [abstract link]

  4. Tsitsopoulos PP, Voronov LI, Zindrick MR, Carandang G, Havey RM, Ghanayem AJ, Patwardhan AG. Biomechanical Stability Analysis of a Stand-alone Cage, Static and Rotational-dynamic Plate in a Two-level Cervical Fusion Construct. Orthop Surg. 2017 Aug;9(3):290-295. [abstract link]

  5. Mica M, Voronov LI, Carandang G, Havey RM, Wojewnik B, Patwardhan AG. Biomechanics of an Expandable Lumbar Interbody Fusion Cage Deployed Through Transforaminal Approach. International Journal of Spine Surgery 11(4):193-200 Aug 2017. [abstract link]

  6. Khayatzadeh S, Kalmanson OA, Schuit D, Havey RM, Voronov LI, Ghanayem AJ, Patwardhan AG. Cervical Spine Muscle-Tendon Unit Length Differences Between Neutral and Forward Head Postures: Biomechanical Study Using Human Cadaveric Specimens. Phys Ther. 2017 Jul 1;97(7):756-766. [abstract link]

  7. Goodsitt JE, Havey RM, Khayatzadeh S, Voronov LI, Patwardhan AG. Interpolation of three dimensional kinematics with dual-quaternions. J Biomech. 2017 Jan 25;51:105-110. [abstract link]

  8. Switaj PJ, Fuchs D, Alshouli M, Patwardhan AG, Voronov LI, Muriuki M, Havey RM, Kadakia AR. A biomechanical comparison study of a modern fibular nail and distal fibular locking plate in AO/OTA 44C2 ankle fractures. J Orthop Surg Res. 2016 Sep 15;11(1):100. [abstract link]

  9. Voronov LI, Siemionow KB, Havey RM, Carandang G, Patwardhan AG. Biomechanical evaluation of DTRAX(®) posterior cervical cage stabilization with and without lateral mass fixation. Med Devices (Auckl). 2016 Aug 23;9:285-90. [abstract link]
  10. Voronov LI, Siemionow KB, Havey RM, Carandang G, Phillips FM, Patwardhan AG. Bilateral posterior cervical cages provide biomechanical stability: assessment of stand-alone and supplemental fixation for anterior cervical discectomy and fusion. Med Devices (Auckl). 2016 Jul 13;9:223-30. [abstract link]

  11. Patwardhan AG, Carandang G, Voronov LI, Havey RM, Paul GA, Lauryssen C, Coric D, Dimmig T, Musante D. Are Collapsed Cervical Discs Amenable to Total Disc Arthroplasty?: Analysis of Prospective Clinical Data with 2-year Follow-up. Spine (Phila PA 1976). 2016 Jul 18 [Epub ahead of print] [abstract link]

  12. Alvi HM, Monroe EJ, Muriuki M, Verma RN, Marra G, Saltzman MD, Latarjet Fixation: A Cadaveric Biomechanical Study Evaluating Cortical and Cannulated Screw Fixation. Orthop J Sports Med. 2016 Apr 19;4(4). [abstract link]

  13. Muriuki MG, Havey RM, Voronov LI, Zindrick MR, Lorenz MA, Lomasney L, Patwardhan AG. Effects of motion segment level, Pfirrmann intervertebral disc degeneration grade and gender on lumbar spine kinematics, J Orthop Res. 2016 Mar 18. [Epub ahead of print] [abstract link]

  14. Smith ZA, Khayatzadeh S, Bakhsheshian J, Harvey M, Havey RM, Voronov LI, Muriuki MG, Patwardhan AG. Dimensions of the Cervical Neural Foramen in Conditions of Spinal Deformity: An ex vivo Biomechanical Investigation Using Specimen-Specific CT Imaging. Eur Spine J. 2016 Jul;25(7):2155-65. [abstract link]

  15. Havey RM, Gavin TM, Patwardhan AG. Stability of the Scoliotic Spine: Effect of Scoliosis Braces. Spine (Phila Pa 1976). 2016 Apr; 41 Suppl 7:S18-9. [abstract link]

  16. Patwardhan AG, Khayatzadeh S, Nguyen NL, Havey RM, Voronov LI, Muriuki MG, Carandang G, Smith ZA, Sears W, Lomasney LM, Ghanayem AJ. Is Cervical Sagittal Imbalance a Risk Factor for Adjacent Segment Pathomechanics After Multilevel Fusion? Spine (Phila Pa 1976). 2015 Nov 30. [abstract link]

  17. Bakhsheshian J, Khayatzadeh S, Voronov LI, Patwardhan AG, Smith ZA. Unilateral Absence of the Neural Arch in the Subaxial Cervical Spine. Spine J. 2015 Jul 18. [abstract link]

  18. Gudavalli MR, Salsbury SA, Vining RD, Long CR, Corber L, Patwardhan AG, Goertz CM. Development of an attention-touch control for manual cervical distraction: a pilot randomized clinical trial for patients with neck pain. Trials. 2015 Jun 5;16(1):259. [abstract link]

  19. Havey RM, Goodsitt J, Khayatzadeh S, Muriuki M, Potluri T, Voronov LI, Lomasney LM, Patwardhan AG. Three-Dimensional CT Based Specimen-Specific Kinematic Model for Ex Vivo Assessment of Lumbar Neuroforaminal Space. Spine (Phila Pa 1976). 2015 Jul 15:40(14); E814-22. [abstract link]

  20. Gudavalli MR, Vining RD, Salsbury SA, Corber LG, Long CR, Patwardhan AG, Goertz CM. Clinician proficiency in delivering manual treatment for neck pain within specified force ranges. Spine J. 2015 Apr 1;15(4):570-6. [abstract link]

  21. Patwardhan AG, Havey RM, Khayatzadeh S, Muriuki MG, Voronov LI, Carandang G, Nguyen NL, Ghanayem AJ, Schuit D, Patel AA, Smith ZA, Sears W. Postural Consequences of Cervical Sagittal Imbalance - A Novel Laboratory Model. Spine (Phila Pa 1976). 2015 Jun 1:40(11); 783-92. [abstract link]

  22. Baluch DA, Patel AA, Lullo B, Havey RM, Voronov LI, Nguyen NL, Carandang G, Ghanayem AJ, Patwardhan AG. Effect of Physiologic Loads on Cortical and Traditional Pedicle Screw Fixation. Spine (Phila Pa 1976). 2014 Aug 4. 39(22):E1297-E1302. [abstract link]

  23. Bakhsheshian J, Dahdaleh NS, Patwardhan AG, Smith ZA. Comment on the biomechanical analysis of four- versus six-screw constructs for short-segment pedicle screw and rod instrumentation of unstable thoracolumbar fractures. Spine J. 2014 Aug 1;14(8):1810-1. [abstract link]

  24. Brody M, Patel A, Ghanayem A, Carandang G, Havey R, Voronov L, MD, Vastardis G, Potluri T, Patwardhan A. The Effect of Posterior Decompressive Procedures on Segmental Range of Motion Following Cervical Total Disc Arthroplasty. Spine (Phila Pa 1976). 2014 Sep 1;39(19):1558-63. [abstract link]

  25. Fakurnejad S, Scheer J, Patwardhan A, Havey R, Voronov L, Smith Z. The Biomechanics of Thoracolumbar Burst Fractures: Methods of Induction and Treatments. Journal of Clinical Neuroscience. 2014 Jun 25. pii: S0967-5868(14)00249-5. [abstract link]

  26. Schiff A, Havey R, Carandang G, Wickman A, Angelico J, Patwardhan A, Pinzur M. Quantification of Shear Stresses Within a Transtibial Prosthetic Socket. Foot Ankle Int. 2014 May 21;35(8):779-782. [abstract link]

  27. Balaram AK, Ghanayem AJ, O'Leary PT, Voronov LI, Havey RM, Carandang G, Abjornson C, Patwardhan A. Biomechanical Evaluation of a Low Profile, Anchored Cervical Interbody Spacer Device at the Index Level or Adjacent to Plated Fusion. Spine (Phila Pa 1976). 2014 Jun 1;39(13):E763-9. [abstract link]

  28. Smith Z, Vastardis G, Carandang G, Havey R, Hannon S, Dahdaleh N, Voronov L, Fessler R, Patwardhan A. Biomechanical Effects of a Unilateral Approach to Minimally Invasive Lumbar Decompression. PlosOne. 2014 Mar 21;9(3):e92611. [abstract link]

  29. Voronov L, Vastardis G, Zelenakova J, Carandang G, Havey R, Waldorff E, Zindrick M, Patwardhan A. Biomechanical Characteristics of an Integrated Lumbar Interbody Fusion Device. International Journal of Spine Surgery. Volume 8, 2014. [abstract link]

  30. Fry R, Alamin T, Voronov L, Fielding L, Ghanayem A, Parikh A, Carandang G, Mcintosh B, Havey R, Patwardhan A. Compressive Preload Reduces Segmental Flexion Instability After Progressive Destabilization of the Lumbar Spine. Spine. 2014 39(2):E74-E81. [abstract link]

  31. Fielding L, Alamin T, Voronov L, Carandang G, Havey R, Patwardhan A. Parametric and cadaveric models of lumbar flexion instability and flexion restricting dynamic stabilization system. European Spine Journal, Epub 2013. [abstract link]

  32. Gudavalli MR, Potluri T, Carandang G, Havey R, Voronov L, Cox J, Rowell R, Kruse R, Joachim G, Patwardhan A, Henderson C, Goertz C. Intradiscal Pressure Changes during Manual Cervical Distraction: A Cadaveric Study. Evidence-Based Complementary and Alternative Medicine. 2013. [abstract link]

  33. Wojewnik B, Ghanayem A, Tsitsopoulos P, Voronov L, Potluri T, Havey R, Zelenakova J, Patel A, Carandang G, Patwardhan A. Biomechanical Evaluation of a Low Profile, Anchored Cervical Interbody Spacer Device in the Setting of Progressive Flexion-Distraction Injury of the Cervical Spine. Eur Spine J. 2012 Aug 1. [abstract link]

  34. Patwardhan AG, Havey RM, Wharton ND, Tsitsopoulos PP, Newman P, Carandang G, Voronov LI. Asymmetric Motion Distribution Between Components of a Mobile-Core Lumbar Disc Prosthesis: An Explanation of Unequal Wear Distribution in Explanted CHARITÉ Polyethylene Cores. J Bone Joint Surg Am. 2012 May 2; 94(9):846-54. [abstract link]

  35. Tsitsopoulos PP, Wojewnik B, Voronov LI, Havey RM, Renner SM, Zelenakova J, McIntosh B, Carandang G, Abjornson C, Patwardhan AG. Effect of Prosthesis Endplate Lordosis Angles on L5-S1 Kinematics After Disc Arthroplasty. Eur Spine J. 2012 Jun; 21 Suppl 5:585-91. Epub 2012 Apr 4. [abstract link]

  36. Tsitsopoulos PP, Serhan H, Voronov LI, Carandang G, Havey RM, Ghanayem AJ, Patwardhan AG. Would an Anatomically Shaped Lumbar Interbody Cage Provide Better Stability? An In Vitro Cadaveric Biomechanical Evaluation. J Spinal Disord Tech. 2012 Feb 21. [Epub ahead of print] [abstract link]

  37. Robertson PA, Tsitsopoulos PP, Voronov LI, Havey RM, Patwardhan AG. Biomechanical Investigation of a Novel Integrated Device for Intra-Articular Stabilization of the C1-C2 (Atlantoaxial) Joint. Spine J. 2012 Feb;12(2):136-42. Epub 2012 Feb 15. [abstract link]

  38. Havey RM, Voronov LI, Tsitsopoulos PP, Carandang G, Ghanayem AJ, Lorenz MA, Zindrick MR, Patwardhan AG. Relaxation Response of Lumbar Segments Undergoing Disc Space Distraction: Implications to the Stability of Anterior Lumbar Interbody Implants. Spine (Phila Pa 1976). 2011 Sep 8. [abstract link]

  39. Renner SM, Tsitsopoulos PP, Dimitriadis AT, Voronov LI, Havey RM, Carandang G, McIntosh B, Carson C, Ty D, Ringelstein JG, Patwardhan AG. Restoration of spinal alignment and disk mechanics following polyetheretherketone wafer kyphoplasty with StaXx FX. AJNR Am J Neuroradiol. 2011 Aug;32(7):1295-300.

  40. Martin S, Ghanayem A, Tzermiadianos M, Voronov L, Havey R, Renner S, Carandang G, Abjornson C, Patwardhan AG. Kinematics of Cervical Total Disc Replacement Adjacent to a Two-Level, Straight vs. Lordotic Fusion. Spine (Phila Pa 1976). 2011 Aug 1;36(17):1359-66. [abstract link]

  41. Lee M, Dumonski M, Phillips F, Voronov L, Renner S, Carandang G, Havey R, Patwardhan AG. Disc Replacement adjacent to Cervical Fusion: A Biomechanical Comparison of Hybrid Construct vs. Two-Level Fusion. Spine (Phila Pa 1976). 2011 Feb 1. [abstract link]

  42. Gocke SP, Rottier FJ, Havey RM, Renner SM, Patwardhan AG, Carandang G. Quantitative Analysis of the Long- and Short-arm Crescentic Shelf Bunionectomy Osteotomies in Fresh Cadaveric Matched Pair Specimens. J Foot Ankle Surg. 2011 Mar-Apr;50(2):158-64. [abstract link]

  43. Patwardhan AG, Tzermiadianos MN, Tsitsopoulos PP, Voronov LI, Renner SM, Reo ML, Carandang G, Ritter-Lang K, Havey RM. Primary and coupled motions after cervical total disc replacement using a compressible six-degree-of-freedom prosthesis. Eur Spine J. 2010 Sep 24. [abstract link]

  44. Paxinos O, Tsitsopoulos PP, Zindrick MR, Voronov LI, Lorenz MA, Havey RM, Patwardhan AG. Evaluation of pullout strength and failure mechanism of posterior instrumentation in normal and osteopenic thoracic vertebrae. J Neurosurg Spine. 2010 Oct;13(4):469-76. [abstract link]

  45. Gaffey JL, Ghanayem AJ, Voronov ML, Havey RM, Carandang G, Abjornson C, Patwardhan AG. Effect of Increasing Implant Height on Lumbar Spine Kinematics and Foraminal Size Using the ProDisc-L Prosthesis. Spine (Phila Pa 1976). 2010 Volume 35(19):pp 1777-82. [abstract link]

  46. Voronov ML, Pinzur MS, Hoffman HH, Havey RM, Carandang G, Patwardhan AG. Static measure of foot loading. Foot Ankle Spec. 2009 Dec;2(6):267-70. [abstract link]

  47. Nassos JT, Ghanayem AJ, Sasso RC, Tzermiadianos MN, Voronov LI, Havey RM, Rinella AS, Carandang G, Patwardhan AG. Biomechanical evaluation of segmental occipitoatlantoaxial stabilization techniques. Spine (Phila Pa 1976). 2009 Dec 1;34(25):2740-4. [abstract link]

  48. Phillips FM, Tzermiadianos MN, Voronov LI, Havey RM, Carandang G, Dooris A, Patwardhan AG. Effect of two-level total disc replacement on cervical spine kinematics. Spine (Phila Pa 1976). 2009 Oct 15;34(22):E794-9. [abstract link]

  49. Voronov L, Havey R, Sjovold S, Funk M, Carandang G, Zindrick D, Rosler D, Patwardhan AG. Kinematics of Total Facet Replacement (TFAS-TL™) with Total Disc Replacement. Spine Arthroplasty Society Journal 2009 September 3(3):85–90. [full text link]

  50. Voronov L, Havey R, Rosler D, Sjovold S, Rogers S, Carandang G, Ochoa J, Yuan H, Webb S, Patwardhan AG. L5-S1 Segmental Kinematics after Facet Arthroplasty. Spine Arthroplasty Society Journal 2009 June 3(2):50-8. [full text link]

  51. Paxinos O, Ghanayem AJ, Zindrick MR, Voronov LI, Havey RM, Carandang G, Hadjipavlou A, Patwardhan AG. Anterior cervical discectomy and fusion with a locked plate and wedged graft effectively stabilizes flexion-distraction stage-3 injury in the lower cervical spine: a biomechanical study. Spine 2009 Jan 1;34(1):E9-15. [abstract link]

  52. Tzermiadianos MN, Renner SM, Phillips FM, Hadjipavlou AG, Zindrick MR, Havey RM, Voronov M, Patwardhan AG. Altered disc pressure profile after an osteoporotic vertebral fracture is a risk factor for adjacent vertebral body fracture. Eur Spine J. 2008 Nov;17(11):1522-30. [abstract link]

  53. Phillips FM, Tzermiadianos MN, Voronov LI, Havey RM, Carandang G, Renner SM, Rosler DM, Ochoa JA, Patwardhan AG. Effect of the Total Facet Arthroplasty System after complete laminectomy-facetectomy on the biomechanics of implanted and adjacent segments. Spine J. 2009 Jan-Feb;9(1):96-102. [abstract link]

  54. Kurtz SM, Patwardhan AG, MacDonald D, Ciccarelli L, van Ooij A, Lorenz M, Zindrick M, O'Leary P, Isaza J, Ross R. What is the correlation of in vivo wear and damage patterns with in vitro TDR motion response? Spine. 2008 Mar 1;33(5):481-9. [full text link]

  55. Forsythe K, Freedman KB, Stover MD, Patwardhan AG. Comparison of a Novel FiberWire-Button Construct versus Metallic Screw Fixation in a Syndesmotic Injury Model. Foot Ankle Int. 2008 Jan;29(1):49-54. [abstract link]

  56. Bowden AE, Guerin HL, Villarraga ML, Patwardhan AG, Ochoa JA. Quality of motion considerations in numerical analysis of motion restoring implants of the spine. Clin Biomech (Bristol, Avon). 2008 Feb 5. [abstract link]

  57. Tzermiadianos MN, Mekhail A, Voronov LI, Zook J, Havey RM, Renner SM, Carandang G, Abjornson C, Patwardhan AG. Enhancing the stability of anterior lumbar interbody fusion: a biomechanical comparison of anterior plate versus posterior transpedicular instrumentation. Spine. 2008 Jan 15;33(2):E38-43. [abstract link]

  58. Snyder J, Tzermiadianos M, Ghanayem AJ, Voronov LI, Rinella A, Dooris A, Carandang G, Renner S, Havey R, Patwardhan AG. Effect of Uncovertebral Joint Excision on the Motion Response of the Cervical Spine after Total Disc Replacement",Spine 2007, ec 15;32(26):2965-9. [abstract link]

  59. Serhan H, Varanas G, Dooris A, Patwardhan AG, Tzermiadianos MN. Biomechanics of the posterior lumbar articulating elements. Neurosurgery Focus 2007;22(1):E1. [abstract link]

  60. Phillips FM, Voronov LI, Gaitanis IN, Carandang G, Havey RM, Patwardhan AG. Biomechanics of posterior dynamic stabilizing device (DIAM) after facetectomy and discectomy. Spine J. 2006 Nov-Dec;6(6):714-22. [abstract link]

  61. Cambron JA, Gudavalli MR, Hedeker D, McGregor M, Jedlicka J, Keenum M, Ghanayem AJ, Patwardhan AG, Furner SE. One-year follow-up of a randomized clinical trial comparing flexion distraction with an exercise program for chronic low-back pain. J Altern Complement Med. 2006 Sep;12(7):659-68. [abstract link]

  62. Fagelman M, Sartori M, Freedman KB, Patwardhan AG, Carandang G, Marra G. Biomechanics of coracoacromial arch modification. J Shoulder Elbow Surg. 2007 Jan-Feb;16(1):101-6. [abstract link]

  63. Cambron JA, Gudavalli M, McGregor M, Jedlicka J, Keenum M, Ghanayem AJ, Patwardhan AG, Furner SE. Amount of health care and self-care following a randomized clinical trial comparing flexion-distraction with exercise program for chronic low back pain. Chiropr Osteopat 2006 Aug 24;14:19. [abstract link]

  64. Renner SM, Natarajan RN, Patwardhan AG, Havey RM, Voronov LI, Guo BY, Andersson GB, An HS. Novel model to analyze the effect of a large compressive follower pre-load on range of motions in a lumbar spine. J Biomech. 2006 Jul 13. [abstract link]

  65. Goel VK, Panjabi MM, Patwardhan AG, Dooris AP, Serhan H. Test Protocols for Evaluation of Spinal Implants. J Bone Joint Surg 2006;88-A (suppl. 2):103-109. [abstract link]

  66. Callaci JJ, Juknelis D, Patwardhan AG, Wezeman FH. Binge Alcohol Treatment Increases Vertebral Bone Loss Following Ovariectomy: Compensation by Intermittent Parathyroid Hormone. Alcoholism: Clinical and Experimental Research 2006;30 (4):665-672. [abstract link]

  67. Oakey JW, Stover MD, Summers HD, Sartori M, Havey RM, Patwardhan AG. Does screw configuration affect subtrochanteric fracture after femoral neck fixation? Clin Orthop Rel Res 2006;443:302-6. [abstract link]

  68. Gudavalli MR, Cambron JA, McGregor M, Jedlicka J, Keenum M, Ghanayem A, Patwardhan AG. A Randomized Clinical Trial and Subgroup Analysis to Compare Flexion-Distraction with Active Exercise for Chronic Low Back Pain:  A Feasibility Study. Eur Spine J 2005 Dec 8;1-13. [abstract link]

  69. O’Leary P, Lorenz M, Nicolakis M, Voronov L, Zindrick M, Ghanayem A, Havey R, Carandang G, Sartori M, Gaitanis I, Fronczak S, Patwardhan AG. Response of Charité Total Disc Replacement under Physiologic Loads: Prosthesis Component Motion Patterns. Spine J 2005 Nov-Dec;5(6):590-9. Winner 2005 Outstanding Paper Award - North American Spine Society. [abstract link]

  70. Patwardhan AG, Tzermiadianos MN. Biomechanics of vertebral body augmentation. Advances in Osteoporotic Fracture Management 2005;4(2):34-39.

  71. King D, Chase J, Havey RM, Voronov L, Sartori M, McEwen HA, Beamer WG, Patwardhan AG. Effects of Growth Hormone Transgene Expression on Vertebrae in a Mouse Model of Osteogenesis Imperfecta. Spine 2005;30:1491-1495. [abstract link]

  72. Noonan T, Paxinos O, Pinzur MS, Havey RM, Patwardhan AG. Tibiotalocalcaneal Arthrodesis with a Retrograde Intramedullary Nail: A Biomechanical Analysis of the Effect of Nail Length. Foot and Ankle International 2005; 26 (4):304-308. [abstract link]

  73. Gaitanis IN, Carandang G, Phillips FM, Magovern B, Ghanayem AJ, Voronov LI, Havey RM, Zindrick MR, Hadjipavlou AG, Patwardhan AG. Restoring geometric and loading alignment of the thoracic spine with a vertebral compression fracture: effects of balloon (bone tamp) inflation and spinal extension. Spine J 2005;5(1):45-54. [abstract link]

  74. Dooris A, Voronov L, Havey R, Patwardhan AG. The Effect of Fixed Center of Rotation Disc Implantation on Motion Segment Load Sharing: A Pilot Study. Roundtables in Spine Surgery. Spine Biomechanics, 2005; 1(1):31-37.

  75. Gaitanis IN, Hadjipavlou AG, Katonis PG, Kontakis GM, Tzermiadianos MN, Saper LM, Patwardhan AG. Balloon Kyphoplasty for the Treatment of Pathological Vertebral Compressive Fractures. European Spine Journal, 2004 October 8 (Epub). [abstract link]

  76. Stanley SK, Ghanayem AJ, Voronov LI, Havey RM, Paxinos O, Carandang G, Zindrick MR, Patwardhan AG. Flexion-Extension Response of the Thoracolumbar Spine Under Compressive Follower Preload. Spine, 2004 November 15;29(22):E510-514. [abstract link]

  77. Phillips FM, Cunningham B, Carandang G, Ghanayem AJ, Voronov LI, Havey RM, Patwardhan AG. Effect of Supplemental Translaminar Facet Screw Fixation on the Stability of Stand-Alone ALIF Cages Under Physiologic Loads. Spine, 2004;29:1731-6. [abstract link]

  78. Callaci JJ, Juknelis D, Patwardhan AG, Sartori M, Frost N, Wezeman FH. The Effects of Binge Alcohol Exposure on Bone Resorption and Biomechanical and Structural Properties are Offset by Concurrent Bisphosphonate Treatment. Alcoholism: Clin and Experimental Res, 28 (1):182-91, 2004. [abstract link]

  79. Gavin TM, Carandang G, Havey RM, Flanagan P, Ghanayem AJ, Patwardhan AG. Biomechanical Analysis of Cervical Orthoses in Flexion and Extension: A Comparison of Cervical Collars and Cervical Thoracic Orthoses. J Rehab Research and Development, 40 (6): 527-38, 2003. [full text link]

  80. Patwardhan AG, Carandang G, Ghanayem A, Havey RM, Cunningham B, Voronov LI, Phillips FM. Compressive preload improves the stability of the anterior lumbar interbody fusion (ALIF) cage construct. J Bone Joint Surg (Am), 85-A:1749-1756, 2003. [abstract link]

  81. Patwardhan AG, Havey R, Carandang G, Simonds J, Voronov Li, Ghanayem AJ, Meade KP, Gavin TM, Paxinos O. Effect of Compressive Follower Preload on the Flexion-Extension Response of the Human Lumbar Spine. J Orthopaedic Research, 21(3):540-546, 2003. [abstract link]

  82. Teng AL, Pinzur MS, Lomasney L, Mahoney L, Havey R. Functional outcome following anatomic restoration of tarsal-metatarsal fracture dislocation. Foot & Ankle International, 2002 Oct; 23(10): 922-6. [abstract link]

  83. Patwardhan AG, Ghanayem A, Simonds J, Hodges S, Voronov L, Paxinos O, Havey R. An Experimental Model of Adult-Onset Slip Progression in Isthmic Spondylolisthesis. Stud Health Technol Inform, 2002;91:322-4. [abstract link]

  84. Natarajan RN, Andersson GBJ, Patwardhan AG, Verma S. Effect of Annular Incision Type on the Change in Biomechanical Properties in a Herniated Lumbar Intervertebral Disc. J Biomechanical Engineering, 124:229-236, 2002. [abstract link]

  85. Havey RM, Gavin TM, Patwardhan AG, Pawelczak SB, Ibrahim KN. A Reliable and Accurate Method of Measuring Orthosis-Wearing Compliance. Spine, 27(2):211-214, 2002. [abstract link]

  86. Buranosky DJ, Taylor DT, Sage RA, Sartori M, Patwardhan AG, Phelan M, Lam AT. First Metatarsophalangeal Joint Arthrodesis: Quantitative Mechanical Testing of Six-Hole Dorsal Plate Versus Crossed Screw Fixation in Cadaveric Specimens. J Foot and Ankle Surgery, 40(4):208-213, 2001. [abstract link]

  87. Patwardhan AG, Lee B, Meade KP. Frontal Plane Response of the Lumbar Spine Subjected to a Follower Load – Role of Muscles. J. Biomechanical Engineering, 123:212-217, 2001. [abstract link]

  88. Pinzur MS, Patwardhan AG, Havey RM. Healing of Partial Flap Necrosis in Ankle Disarticulation Amputation by Debridement and Continued Weight-Bearing. The American Journal of Orthopaedics, pp. 396-397, 2001. [abstract link]

  89. Humphreys SC, Hodges SD, Patwardhan AG, Eck JC, Murphy RB, Covington LA. Comparison of Posterior and Transforaminal Approaches in Performing Lumbar Interbody Fusion. Spine, 26(5):567-71, 2001. [abstract link]

  90. Zindrick MR, Knight GW, Sartori MJ, Carnevale TJ, Patwardhan AG, Lorenz MA. Pedicle Morphology of the Immature Thoracolumbar Spine. Spine, 25 (21):2726-2735, 2000. [abstract link]

  91. Umehara S, Zindrick MR, Patwardhan AG, Havey RM, Vrbos L, Knight G, Miyano S, Kirincic M, Kaneda K, Lorenz M. The Biomechanical Effect of Postoperative Hypolordosis in Instrumented Lumbar Fusion on Instrumented and Adjacent Spinal Segments. Spine, 25 (13):1617-24, 2000. [abstract link]

  92. Patwardhan AG, Havey RM, Ghanayem AJ, Diener H, Meade KP, Dunlap, B, Hodges SD. Load Carrying Capacity of the Human Cervical Spine in Compression is Increased Under a Follower Load. Spine, 25 (12):1548-1554, 2000. [abstract link]

  93. Patwardhan AG, Parnianpour M, Meade KP, Rizza R, Li S. Effect of Spinal Musculature on the Mechanics of the Lumbar Spine. Biomed Eng-Applications, Basis & Communications, 11:249-258, 1999. [abstract link]

  94. Lim TH, Patwardhan AG, Hong JH, An HS, Riley LH, Hodges S, Zindrick MR. Effect of Instrumented Lumbar Fusion on the Flexibility and Viscoelastic Properties of the Adjacent Segment: An In Vivo Canine Study. J. Musculoskeletal Research 3(2):125-136, 1999. [abstract link]

  95. Natarajan RN, Andersson GBJ, Patwardhan AG, Andriacchi TP. Study on the Effect of Graded Facetectomy on Change in Lumbar Motion Segment Torsional Flexibility Using Three Dimensional Continuum Contact Representation for Facet Joints. J Biomechanical Engineering, 121:215-221, 1999. [abstract link]

  96. Khan T, Havey RM, Sayers ST, Patwardhan AG, King WW. Animal Models of Spinal Cord Injuries. Laboratory Animal Science, 49(2):161-172, 1999.

  97. Patwardhan AG, Havey RM, Meade KP, Lee B, Dunlap B. A Follower Load Increases the Load Carrying Capacity of the Lumbar Spine in Compression. Spine, 24(10):1003-1009, 1999. [abstract link]

  98. Steinke B, Patwardhan AG, Havey R, King D. Human Growth Hormone Transgene Expression Increases the Biomechanical Structural Properties of Mouse Vertebrae. Spine, 24(1):1-4, 1999. [abstract link]

  99. Payette CR, Sage RA, Gonzalez JV, Sartori M, Patwardhan AG, Vrbos L. Triple Arthrodesis Stabilization: A Quantitative Analysis of Screw Versus Staple Fixation in Fresh Cadaveric Matched-Pair Specimens. J Foot and Ankle Surgery, 37(6):472-480, 1998. [abstract link]

  100. Katagiri K, Tadano S, Ukai T, Patwardhan AG, Havey RM, Ghanayem AJ. Measurement of Intradiscal Pressure Response in Low-Frequency Cyclic Loading. Transactions of the Japan Society of Mechanical Engineers, 64:2429-2434, 1998.

  101. Humphreys SC, Chase J, Patwardhan AG, Shuster J, Lomasney L, Hodges S. Flexion and Traction Effect on C5-C6 Foraminal Space. Arch of Phys Med and Rehab, 79:1105-1109, 1998. [abstract link]

  102. Humphreys SC, Hodges S, Patwardhan AG, Eck JC, Shepard LC, Sartori M. The Natural History of the Cervical Foramen in Both Symptomatic and Asymptomatic Individuals as Measured by MRI. Spine, 23:2180-2184, 1998. [abstract link]

  103. Wang JL, Parnianpour M, Shirazi-Adl A, Engin AE, Li S, Patwardhan AG. Development and Validation of a Viscoelastic Finite Element Model of an L2/L3 Motion Segment. Theoretical and Applied Fracture Mechanics,  28:81-93, 1997. [abstract link]

  104. Andreshak JL, Rabin SI, Patwardhan AG, and Wezeman FH.  Tibial Segmental Defect Repair: Chondrogenesis and Biomechanical Strength Modulated by Basic Fibroblast Growth Factor.  Anatomical Record,  248:198-204, 1997. [abstract link]

  105. Saban J, Zussman MA, Havey R, Patwardhan AG, Schneider GB, and King D.  Heterozygous OIM Mice Exhibit a Mild Form of Osteogenesis Imperfecta. Bone, 19(6):575-579, 1996. [abstract link]

  106. Patwardhan AG, Gavin TM, Bunch WH, Dvonch VM, Vanderby R, Meade KP, and Sartori M. A Biomechanical Comparison of the Milwaukee Brace (CTLSO) and the TLSO for the Treatment of Idiopathic Scoliosis.  J Prosthetics and Orthotics,   8(4):115-122, 1996. [full text link]

  107. Patwardhan AG, Rimkus A, Gavin TM, Bueche M, Meade KP, Bielski R, and Ibrahim K. Geometric Analysis of Coronal Decompensation in Idiopathic Scoliosis. Spine, 21(10):1192-1200, 1996. [abstract link]

  108. Havey RM, Gavin TM, Patwardhan AG, and Meade KP. Methodology-Measurements, Part II: Instrumentation and Apparatus.  J Prosthetics and Orthotics,  8(2):50-64, 1996. [full text link]

  109. Pinzur MS, Cox W, Kaiser J, Morris T, Patwardhan AG, and Vrbos L. The Effect of Prosthetic Alignment on Relative Limb Loading in Persons with Trans-tibial Amputation: A Preliminary Report.  J Rehabilitation Research and Development,  32(4):373-378, 1995. [abstract link]

  110. Slosar P, Patwardhan AG, Lorenz M, Havey R, and Sartori M. Instability of the Lumbar Burst Fracture and Limitations of Transpedicular Instrumentation.  Spine,   20:1452-1461, 1995. [abstract link]

  111. Li S, Patwardhan AG, Amirouche F, Havey R, and K. Meade. Limitations of the Standard Linear Solid Model of Intervertebral Discs Subject to Prolonged Loading and Low-Frequency Vibrations in Axial Compression.  J Biomechanics,   28(7):779-790, 1995. [abstract link]

  112. Miller JM, Stuck R, Sartori M, Patwardhan AG, Cane R, Vrbos L. The Inverted Z Bunionectomy: Quantitative Analysis of the Scarf and Inverted Scarf Bunionectomy Osteotomies in Fresh Cadaveric Matched Pair Specimens.  J Foot and Ankle Surgery,  33(5):455-462, 1994. [abstract link]

  113. Amirouche FML, Xie M, Patwardhan AG. Optimization of the Contact Damping and Stiffness Coefficients to Minimize Human Body Vibration. J Biomechanical Engineering,  116(4):413-420, 1994. [abstract link]

  114. Rabinowitz R, Light T, Havey R, Gourineni P, Patwardhan AG, Sartori M, Vrbos L. The Role of the Interosseous Membrane and Triangular Fibrocartilage Complex (TFCC) in Forearm Stability.  J  Hand Surgery,   19A (3):385-393, May 1994. [abstract link]

  115. Hsu ES, Patwardhan AG, Meade KP, Light TR, Martin WR. Cross-Sectional Geometrical Properties and Bone Mineral Contents of the Human Radius and Ulna.  J Biomech, 26(11):1307-18, 1993. [abstract link]

  116. Pinzur MS, Smith D, Tornow D, Meade K, Patwardhan AG. Gait Analysis of Dysvascular Below-Knee and Contralateral Through-Knee Bilateral Amputees: A Preliminary Report.  Orthopedics, 16(8):875-879, 1993. [abstract link]

  117. Gavin TM, Boscardin JB, Patwardhan AG, Bunch WH, Zindrick MR, Lorenz MA, Vrbos LA. Preliminary Results of Orthotic Treatment for Chronic Low Back Pain.  J Prosthetics and Orthotics,   5(1):25-29, 1993. [full text link]

  118. Perona PG, Lawrence J, Paprosky W, Patwardhan AG, Sartori M, Morales S. Acetabular Micromotion as a Measure of Initial Implant Stability in Primary Hip Arthroplasty. An In Vitro Comparison of Different Methods of Initial Acetabular Component Fixation.  J Arthroplasty, 7(4):537-47, 1992. [abstract link]

  119. Chang H, Gilbertson LG, Goel VK, Winterbottom JM, Clark CR, Patwardhan AG. Dynamic Response of the Occipito-Atlanto-Axial (C0-C1-C2) Complex in Axial Rotation.  J Orthopaedic Research, 10(3):446-453, May 1992. [abstract link]

  120. Pinzur MS, Schumacher D, Reddy N, Osterman H, Havey R, Patwardhan AG. Preventing Heel Ulcers: A Comparison of Prophylactic Body-Support Systems.  Archives of Physical Medicine and Rehabilitation, 72:508-510, June 1991. [abstract link]

  121. Pinzur MS, Perona P, Patwardhan AG, Havey R. Loading of the Contralateral Foot in Peripheral Vascular Insufficiency Below-Knee Amputees.  Foot and Ankle, 11(6):368-371, 1991. [abstract link]

  122. Patwardhan AG, Li S, Gavin TM, Lorenz MA, Meade KP, Zindrick M. Orthotic Stabilization of Thoracolumbar Injuries.  A Biomechanical Analysis of the Jewett Hyperextension Orthosis.  Spine, 15(7):  654-661, July 1990. [abstract link]

  123. Apel DM, Patwardhan AG, Pinzur, MS, Dobozi WR. Axial Loading Studies of Unstable Intertrochanteric Fractures of the Femur. Clin Orthop and Related Res,  246:156-64, September 1989. [abstract link]

  124. Blevens AD, Light TR, Jablonsky W, Smith D, Patwardhan AG, Guay M, Woo T. Radiocarpal Articular Contact Characteristics with Scaphoid Instability. J Hand Surgery,  14A:781-90, Sept 1989. [abstract link]

  125. Stuck RM, Moore JW, Patwardhan AG, Sartori MJ. Forces Under the Hallux Rigidus Foot with Surgical and Orthotic Intervention. J American Podiatric Medical Association, 78(9):465-468, 1988. [abstract link]

  126. Meade KP, Bunch WH, Vanderby R, Patwardhan AG, Knight GW. Progression of Unsupported Curves in Adolescent Idiopathic Scoliosis. Spine, 12(6):520-6, 1987. [abstract link]

  127. Hitchcock T, Light T, Bunch WH, Knight GW, Sartori M, Patwardhan AG, Hollyfield R. Effect of Immediate Controlled Digital Motion on the Strength of Flexor Tendon Repairs.  J Hand Surgery, Vol 12A, No.4, pp. 590-595, 1987. [abstract link]

  128. Zindrick MR, Wiltse LL, Doornik A, Widell EH, Knight GW, Patwardhan AG, Thomas JC. Analysis of the Morphometric Characteristics of the Thoracolumbar Pedicles. Spine, 12(2):160-6, 1987. [abstract link]

  129. Vanderby R, Daniele M, Patwardhan AG, Bunch WH. A Method for Identification of In Vivo Segmental Stiffness Properties of the Spine. J Biomech Eng, Vol 108, pp. 312-316, November 1986. [abstract link]

  130. Patwardhan AG, Bunch WH, Meade K, Vanderby R, Knight GW. A Biomechanical Analog of Curve Progression and Orthotic Stabilization in Idiopathic Scoliosis. J Biomechanics, 19(2):103-17, 1986. [abstract link]

  131. Bunch WH, Patwardhan AG, Dvonch VM. A Mechanism of Action of Spinal Orthoses.  J Association of Children's Prosthetic-Orthotic Clinics,  18(5): 7-10, Winter 1983. [full text link]

  132. Vanderby R, Patwardhan AG. Computers in Rehabilitative Biomechanics. Association of Computing Machinery  SigCAPH Quarterly, Number 3; pp 16-26, Winter 1983.

  133. Lorenz M, Patwardhan AG, Vanderby R. Load Bearing Characteristics of Lumbar Facets in Normal and Surgically Altered Spinal Segments. Spine, 8:122-130, 1983. Volvo Award. [abstract link]

  134. Patwardhan AG, Soni AH, Sullivan JA, Gudavalli MR, Srinivasan V. Kinematic Analysis and Simulation of Vertebral Motion Under Static Load- Part II: Simulation Study. J Biomechanical Engineering, 104:112-118, May 1982. [abstract link]

  135. Soni AH, Sullivan JA, Patwardhan AG, Gudavalli MR, Chitwood J. Kinematic Analysis and Simulation of Vertebral Motion Under Static Load- Part I: Kinematic Analysis. J Biomechanical Engineering, 104: 105-111, May 1982. [abstract link]

  136. Patwardhan AG, Soni AH. Motion Simulation of an Articulated Robotic Arm Subjected to Static Forces.  J Mechanical Design, 104: 494-503, 1982.

  137. Patwardhan AG, Soni A, Sullivan J. A General Method to Locate a Body in 3-D Space using X-ray Exposure in Two Oblique Planes. Mechanisms and Machine Theory, 16:459-461, 1981.

  138. Patwardhan AG, Soni AH, Sullivan JA. Technology Transfer in Biokinematics of the Human Spine. J Mechanical Design, 101: 594-603, October 1979.

  139. Patwardhan AG, Soni AH. Synthesis of a Planar Four-Bar Crank-Rocker Mechanism with Elastic Links.  ASME Paper No. 76-DET-73, 1976.

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