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Biomechanics Lab

Mechanical testing of orthopedic devices, hard and soft tissues, whole joints, and biomaterials


Baldini
Todd Baldini, MSc

Lab Manager: Todd Baldini, MSc

Located on the Anschutz Medical Campus of the University of Colorado Denver, the Biomechanics Lab represents a facility unique in the Rocky Mountain Region. The state-of-the-art lab encompasses biomechanical testing, device fabrication and evaluation, surgical simulation, and computer modeling. The lab performs research in all areas of orthopedic biomechanics. 

The lab also frequently collaborates with other academic institutions (Colorado School of Mines, Colorado State University, University of Colorado Boulder) and health care facilities (Children's Hospital Colorado, Denver Health).​​

Instron bi-axial servo-hydraulic test machine with 8800 controllers, WaveMatrix and Console software: 
• Bi-axial load cell, ±5,000N, ±25Nm 
• Axial load cell, 250N 
• Extensometers 
• Custom built cryo-clamp for soft tissue testing 
• 16 bit data acquisition system with LabVIEW data acquisition software 
• MaxTRAQ 3D Motion Capture System with 2 cameras 
• TekScan Dynamic Pressure Measurement System 
• Strain gauge signal conditioners and bridges (24) 

Fully functional machine shop to design and build test fixtures and prototype instruments or fix and repair equipment: 
• SolidWorks 3D CAD software 
• Machine Shop 
• Bridgeport mill 
• Sheldon lathe 
• Delta band saw 

Imaging facilities we have access to on campus include: 
• 2T MRI 
• CT 
• Micro CT 
• DEXA 
• C-Arm fluoroscopy 

Biological tissue-handling capabilities: 
• Approved to receive tissue from several tissue banks 
• Freezer (-25C°) for storing tissue 
• Surgical tools 
• Dissection tools 
• Stryker endoscopy tower

Current Studies include:

Biomechanical Evaluation of Five- and Six-Stranded Soft-Tissue Grafts and a Novel Tibial Fixation Device for Use in ACL Reconstruction. 
PI: Jonathan Bravman, MD 

Double- vs. Single-Loaded All Suture Anchors in the Glenoid Labrum: a Biomechanical Study. 
PI: Eric McCarty, MD 

Does the level of the supra-acetabular cut affect the magnitude of maximal correction with the periacetabular osteotomy in the treatment of severe acetabular dysplasia? 
PI: Courtney O’Donnell, MD 

Prevention of Post Traumatic Osteoarthritis in an Animal Model with Post-Traumatic Injection of a Chondroprotective Agent. 
PI: Jay Albright, MD, Co-PI: Karin Payne, PhD, Co-PI: David Howell, PhD 


Medical Students


Peter Lawson (2018) with Dr. Kenneth Hunt 
Wes Ryan (2017) with Dr. Cyril Mauffrey 
Eric Lakey (2017) with Dr. Kenneth Hunt 
Richie Fuld (2016) with Dr. Kenneth Hunt 
Judas Kelley (2016) with Dr. Kenneth Hunt 
Nick Anderson (2016) with Dr. Kenneth Hunt
Vivek P. Chadayammuri (2014) with Dr. Richard Bowles and Dr. Cyril Mauffrey
Jason S. Hafer (2013) with Dr. Eric McCarty
Andrew Goschka (2013) with Dr. Eric McCarty
Kevin Krughoff (2013) with Dr. Adam Seidl and Dr. Jim Carollo
Joshua Shapiro (2013) with Dr. Adam Seidl and Dr. Jim Carollo
Lisa Hamilton (2012/13) w/Dr. Burger
Cameron Barton (2012/13) w/Dr. Burger
Byron Ellis (2011) w/Dr. E. McCarty
Dana Rioux-Forker w/Dr. A. Vidal & Dr. E. McCarty
Shane Cook w/Dr. E. McCarty
Elise Hiza w/Dr. E. McCarty
John Henry Carlson w/Dr. S. Morgan & Dr. R. Koonce
Mark Winston w/Dr. D. Eckhoff
Clifton Hancock w/Dr. D. Eckhoff
Bradley Gustave w/Dr. D. Eckhoff
Shilo Gilbert w/Dr. D. Eckhoff
Craig Hogan w/Dr. D. Eckhoff
Ramin Alizadeh w/Dr. D. Eckhoff
Sean Geraghty w/Dr. D. Eckhoff
Josh Brauer w/Dr. D. Eckhoff
David Sloss w/Dr. D. Eckhoff
Cody Hartshorn w/Dr. D. Eckhoff
Edwin Bacz w/Dr. D. Eckhoff
Laura DiMatteo w/Dr. D. Eckhoff
Brian Tompkins w/Dr. D. Eckhoff
 

Undergraduate Students

Michaela Pott, Bioengineering, University of Colorado Denver
Ryan Wolsky, Mechanical Engineering, University of Colorado - Boulder
Gabriel Peacher, BS, Spanish, Trinity College
Kaydence Cowley, BS, Engineering, Lafayette College
David Grabski, BS, Engineering Physics, Colorado School of Mines
Kelly Desens, BS, Engineering, Colorado School of Mines       
Kyle Smith, BS, Engineering, Colorado School of Mines
Tara Doucette, BS, Kinesiology, CU Boulder, w/Dr. Eckhoff
Kim Huelson, BS, Mathematical and Computer Sciences, CSM
Laura Borgstede, BS, Mechanical Engineering, Colorado State University
Luke Stumme, BS, Engineering, Colorado School of Mines
Vanessa Ruedebusch, BS, Mechanical Engineering, Denver University
Timothy Nicklas, BS, Mechanical Engineering, CU Boulder
Sean Douherty, BS, Mechanical Engineering, CU Boulder
Jennifer Cech, BS, Mechanical Engineering, CU Boulder

Graduate Students

Michelle Akiyama, MS (2018) 
Bioengineering, University of Colorado Denver 
Thesis: Pedicle to pedicle screw diameter ratio and its relationship to pullout and physiological toggle forces 

Ryan Arce, MS (2016) 
Bioengineering, University of Colorado Denver 
Thesis: Biomechanical Evaluation of a Spinous Process Strap as a Method to Decrease Proximal Junctional Level Load in Thoracolumbar Instrumentation.

Kelly Desens, MS (2008)
Engineering Systems, Colorado School of Mines
Thesis: In Vivo Prediction of Modular Component Sizing, Orientation, and Range of Motion, for Total Hip Arthroplasty
 
Anthony J. Babb, MS (2007)
Engineering Systems, Colorado School of Mines
Thesis; A Comparative Study of the Anteroposterior, Cylindrical, Posterior Condylar, and Transepicondylar Axes for Femoral Implant Positioning in Total Knee Arthroplasty
 
Sara L. Lewandowski, MS (2007)
Engineering Systems, Colorado School of Mines
Thesis; Development of a Pelvic Reference Frame for Image-Guided Computer-Assisted Total Hip Arthroplasty

Tara N. Holz, MS (2007)
Engineering Systems, Colorado School of Mines
Thesis; The Extensor Mechanism, Patellofermoral Contact Mechanics, and Kinematics of the Knee in Four Conditions; Healty, ACL Deficient, Implanted PCL Sparing and Sacrificing.

Katherine Peeke, MS (2007)
Engineering Systems, Colorado School of Mines
Thesis; Study of Alignment in Total Knee Arthroplasty Around a Single Flexion Axis Evaluated for Helical and Conical Axes

Heather E. Hoops, MS (2007)
Engineering Systems, Colorado School of Mines
Thesis; The Neruomuscular Response of the Lumbar Spine to Varying Rest Durations Between Cyclic Flexion Periods

Kerry Jones, MS (2006)
Engineering Systems, Colorado School of Mines
Thesis; Development of a Soft Tissue Analog for Use in Cadaveric Knee Brace Testing

Eric T. Hansen, MS (2004)
Engineering Systems, Colorado School of Mines, w/Prof. Shoureshi
Thesis; Development, Calibration, and Evaluation of a Telemetric Transducer for Patellofemoral Force Measurement in a Human Knee

Fellows

Courtney O'Donnell, MD (2016-17) with Dr. Stephanie Mayer (Children's Hospital Colorado)
Kirk Reynolds, MD, (2012-2013) with Dr. Eric McCarty
Nicholas Aberle, MD, (2012-2013) with Dr. Eric McCarty
Jeffrey Brunelli, MD, (2011-2012) w/Dr. E. McCarty
Kevin Caperton, MD, (2011-2012) w/Dr. E. McCarty
Lucas Rylander, MD (2010-2011) w/Dr. E. McCarty
Jennifer Fitzpatrick, MD, (2010-211) w/Dr. E. McCarty
Alfred Mansour, MD, (2010-2011) w/Dr. G. Georgopoulos (Children's Hospital Colorado)
James Barsi, MD, (2010-2011) w/Dr. G. Georgopoulos (Children's Hospital Colorado)
Shaun Traub, MD, w/Dr. E. McCarty
Chad Efird, MD, w/Dr. E. McCarty
Kevin McGee, MD, w/Dr. E. McCarty
Jason Oliviero, MD, w/Dr. E. McCarty
Kevin Honig, MD, w/Dr. E. McCarty
Brett Gibson, MD, w/Dr. E. McCarty
Brian Kerr, MD, w/Dr. E. McCarty
Dave Rabalais, MD, w/Dr. E. McCarty
KG Swan, MD, w/Dr. E. McCarty
Lance Snyder, MD, w/Dr. E. McCarty
Kazayoshi Gamada, PhD, (2003 – 2005)


Residents

Byron Ellis, MD (2018) with Dr. Eric McCarty 
Derrick Foge, MD (2017) with Dr. Michael Dayton 
Nick Alfonso, MD (2017) with Dr. Cyril Mauffrey (Denver Health) 
Matthew Belton, MD (2016) with Dr. David Hak (Denver Health)
Nick Alfonso, MD (2016) with Dr. Philip Stahel (Denver Health) 
Meredith Mayo, MD (2016) with Dr. Jonathan Bravman 
Jesse Roberts, MD (2016) with Dr. Craig Hogan
Ryan Fader, MD, (2014) with Dr. David Hak (Denver Health)
Richard Bowles, MD, (2014) with Dr. Cyril Mauffrey (Denver Health)
Justin Mitchell, MD, (2014) with Dr. Lucas Rylander (VA Eastern Colorado Health Care System)
Michael Messina, MD, (2014) with Dr. Lucas Rylander (VA Eastern Colorado Health Care System)
Sarah Sibbel (Pinsky), MD, (2012) with Dr. Armando Vidal (Children's Hospital Colorado)
George Chaus, MD, (2011-2012) w/Dr. Hammerberg (Denver Health)
Adam Seidl, MD, (2011-2012) w/Dr. A. Vidal (Childern's Hospital Colorado)
Michal Taylor, MD, w/Dr. A. Vidal
Jon Bravman, MD, w/Dr. A. Vidal
Ryan Koonce, MD, w/Dr. S. Morgan
Hector Mejia, MD, w/Dr. M. Dayton
Laura DiMatteo, MD, w/Dr. S. Morgan
Roger Murkin, MD, w/Dr. S. Morgan
Monica Alberts, MD, w/Dr. S. Morgan
Kareem Sobky, MD, w/Dr. J. Wolf
Mike Repine, MD, w/Dr. S. Morgan

Peer-Reviewed Manuscripts

Gravity Fluid Flow More Accurately Reflects Joint Fluid Pressure Compared with Commercial Peristaltic Pump Systems in a Cadaveric Model. Mayo M, Wolsky R, Baldini T, Vezeridis PS, Bravman JT. Arthroscopy. 2018 Sep 5. pii: S0749-8063(18)30454-7. doi: 10.1016/j.arthro.2018.05.033. [Epub ahead of print]

Evaluation and Prediction of Human Lumbar Vertebrae Endplate Mechanical Properties Using Indentation and Computed Tomography. Patel RR, Noshchenko A, Dana Carpenter R, Baldini T, Frick CP, Patel VV, Yakacki CM. J Biomech Eng. 2018 Oct 1;140(10). doi: 10.1115/1.4040252.

Medial Compartment Decompression by Proximal Fibular Osteotomy: A Biomechanical Cadaver Study. Baldini T, Roberts J, Hao J, Hunt K, Dayton M, Hogan C. Orthopedics. 2018 Jul 1;41(4):e496-e501. doi: 10.3928/01477447-20180424-05. Epub 2018 Apr 30.

Split-Depressed Lateral Tibial Plateau Fractures: A Comparison of Augmented Percutaneous Screws Versus Augmented Plate and Screw Construct in a Cadaveric Model. Bowles RJ, Chadayammuri V, Baldini T, Brecevich A, Mauffrey C. J Orthop Trauma. 2018 Jul;32(7):e270-e275. doi: 10.1097/BOT.0000000000001177.

Mechanical Testing of Epiphysiodesis Screws. Normandin BM, Tennent DJ, Baldini TH, Blanchard AM, Rhodes JT. Orthopedics. 2018 Mar 1;41(2):e240-e244. doi: 10.3928/01477447-20180123-01. Epub 2018 Jan 29.

Locking screw-plate interface stability in carbon-fibre reinforced polyetheretherketone proximal humerus plates. Hak DJ, Fader R, Baldini T, Chadayammuri VBS. Int Orthop. 2017 Sep;41(9):1735-1739. doi: 10.1007/s00264-017-3562-7. Epub 2017 Jul 13.

Introducing the "Bone-Screw-Fastener" for improved screw fixation in orthopedic surgery: a revolutionary paradigm shift? Stahel PF, Alfonso NA, Henderson C, Baldini T. Patient Saf Surg. 2017 Mar 20;11:6. doi: 10.1186/s13037-017-0121-5. eCollection 2017.

Epiphysiodesis Screw Bending. Normandin BM, Tennent DJ, Baldini TH, Blanchard AM, Rhodes JT. Orthopedics. 2017 Jul 1;40(4):e717-e720. doi: 10.3928/01477447-20170308-08. Epub 2017 Mar 15.

Strain in Posterior Instrumentation Resulted by Different Combinations of Posterior and Anterior Devices for Long Spine Fusion Constructs. Kleck CJ, Illing D, Lindley EM, Noshchenko A, Patel VV, Barton C, Baldini T, Cain CMJ, Burger EL. Spine Deform. 2017 Jan;5(1):27-36. doi: 10.1016/j.jspd.2016.09.045.

Thermal Conductivity of Human Bone in Cryoprobe Freezing as Related to Density. Walker KE, Baldini T, Lindeque BG. Orthopedics. 2017 Mar 1;40(2):90-94. doi: 10.3928/01477447-20161208-01. Epub 2016 Dec 15. Biomechanical Assessment of Patellar Advancement Procedures for Patella Alta. Seidl A, Baldini T, Krughoff K, Shapiro JA, Lindeque B, Rhodes J, Carollo J. Orthopedics. 2016 May 1;39(3):e492-7. doi: 10.3928/01477447-20160427-04. Epub 2016 May 2.

Effect of Different Distal Fixation Augmentation Methods on the Pullout Strength of Fassier-Duval Telescoping Rods. Mansour A 3rd, Barsi J, Baldini T, Georgopoulos G. Orthopedics. 2016 Mar-Apr;39(2):e328-32. doi: 10.3928/01477447-20160307-01. Epub 2016 Mar 11.

Biomechanical comparison of traditional anchors to all-suture anchors in a double-row rotator cuff repair cadaver model. Goschka AM, Hafer JS, Reynolds KA, Aberle NS 2nd, Baldini TH, Hawkins MJ, McCarty EC. Clin Biomech (Bristol, Avon). 2015 Oct;30(8):808-13. doi: 10.1016/j.clinbiomech.2015.06.009. Epub 2015 Jun 14.

Unicortical versus bicortical locked plate fixation in midshaft clavicle fractures. Bravman JT, Taylor ML, Baldini T, Vidal AF. Orthopedics. 2015 May;38(5):e411-6. doi: 10.3928/01477447-20150504-59.

Effect of a novel sterilization method on biomechanical properties of soft tissue allografts.
Baldini T, Caperton K (fellow), Hawkins M, McCarty E. Knee Surg Sports Traumatol Arthrosc. 2014 Aug 7. M.

Coracoclavicular ligament reconstruction: coracoid tunnel diameter correlates with failure risk. Rylander LS (fellow), Baldini T, Mitchell JJ (resident), Messina M (resident), Justl Ellis IA (med student), McCarty EC. Orthopedics. 2014 Jun;37(6):e531-5.

A biomechanical comparison of anterior cruciate ligament suspensory fixation devices in a porcine cadaver model. Rylander L (fellow), Brunelli J (fellow), Taylor M (resident), Baldini T, Ellis B, Hawkins M, McCarty E. Clin Biomech (Bristol, Avon). 2014 Feb;29(2):230-4. Epub 2013 Nov 12.

Knotless double-row rotator cuff repair:  A comparative biomechanical cadaver study of two knotless suture anchors. Efird, C.(Fellow), Traub, S.(Fellow), Rylander, L.(Fellow), Baldini, T., Rioux-Forker, D. (Med Student), Spalazzi, J., Hawkins, M., Davisson, T., McCarty, E. Orthopedics. 2013 Aug;36(8):588

Correlation of Vertebral Strength Topography with 3-Dimensional Computed Tomography Structure. Noshchenko A, Plaseied A, Patel VV, Burger E, Baldini T, Yun L.Spine (Phila Pa 1976). 2012 Aug 3.

Are conventional reconstruction plates equivalent to precontoured locking plates for distal humerus fracture fixation? A biomechanics cadaver study.Koonce RC, Baldini TH, Morgan SJ. Clin Biomech (Bristol, Avon). 2012 Aug;27(7):697-701.

A biomechanical study on the effects of rib head release on thoracic spinal motion. Yao X, Blount TJ, Suzuki N, Brown LK, van der Walt CJ, Baldini T, Lindley EM, Patel VV, Burger EL. Eur Spine J. 2012 Apr;21(4):606-12.

Evaluation of spinal instrumentation rod bending characteristics for in-situ contouring. Noshchenko A, Xianfeng Y, Armour GA, Baldini T, Patel VV, Ayers R, Burger E. J Biomed Mater Res B Appl Biomater. 2011 Jul;98(1):192-200.

Nucleus replacement device failure: A case report and biomechanical study. Lindley EM, Jaafar S, Noshchenko A, Baldini T, Nair DP, Shandas R, Burger EL, Patel VV. Spine (Phila Pa 1976). 2010 Oct 15;35(22):E1241-7

Thermomechanical effects of spine surgery rods composed of different metals and alloys. Spine (Phila Pa 1976). 2010 Aug 25.

Facet joint biomechanics at the treated and adjacent levels after total disk replacement. Botolin, S.; Puttlitz, C.; Baldini, T.; Petrella, A.; Burger, E.; Abjornson, C.; Patel, V. Spine (Phila Pa 1976). 2011 Jan 1;36(1):E27-32

A biomechanical comparison of three different lateral tibia locking plates. Lindeque B, Baldini T. Orthopedics. 2010 Jan 1;33(1):18-21.

Strength of single vs double anchor repair of type II SLAP lesions: A cadaver study. Baldini, T; Snyder, R; McCarty, E, Peacher, G; Bach, J. Arthroscopy: The Journal of Arthroscopic and Related Surgery, 2009 Nov;25(11):1257-60

Arthroscopic suture material and knot type: An updated biomechanical analysis. Swan, K; McCarty, E; Baldini, T. The American Journal of Sports Medicine, (37) 1578-1585, August 2009.

Sobky K, Baldini T, Thomas K, Bach J, Williams A, Wolf JM>, “Biomechanical Comparison of Different Volar Fracture Fixation Plates for Distal Radius Fractures.” Hand, 2008 Jun;3(2):96-101. Epub 2007 Sep 7.

Eckhoff, D; Hogan, C; DiMatteo, L.; Robinson, M; Bach, J; Difference Between the Epicondylar and Cylindrical Axis of the Knee; Clinical Orthopaedics and Related Research, Vol 461, 2007, pp 238-244.

Robinson, M; Eckhoff, DG; Reinig, KD; Bagur, MM; Bach, JM; Variability of Landmark Identification in Total Knee Arthroplasty; . Clinical Orthopaedics and Related Research, Vol 442, 2006, pp 57-62.

Eilert, RE, Hill, K; Bach, J. "Greater Trochanteric Transfer for the Treatment of Coxa Brevis."Clinical Orthopaedics and Related Research, Vol 434, 2005, pp 92-101.

Eckhoff, DG; Bach, JM; Spitzer, VM; Reinig, KD; Bagur, MM; Baldini, TH; Flannery; NMP."Three-Dimensional Mechanics, Kinematics, and Morphology of the Knee Viewed in Virtual Reality."J. Bone Joint Surg. Am., Dec 2005, 87, pp. 71 - 80.

Alizadeh RI, Eckhoff DG, Samson MM, Doucette TK, Hogan CA, Bach JM. "Axial and Rotational Alignment of the Leg."Biomed Sci Instrum, Vol. 40, 2004, pp.290-6.

Erickson, M.; Oliver, T.; Baldini, T.; Bach, J.M. "Biomechanical Assessment of Conventional Unit Rod Fixation Versus a Unit Rod Pedicle Screw Construct: A Human Cadaver Study."Spine, Vol 29, No. 12, 2004, pp 1314-1319.

Eckhoff, D.G.; Bach, J.M.; Spitzer, V.M.; Reinig, K.D.; Bagur, M.; Baldini, T; Rubenstein, D; Humphries, S. "3-D Morphology and Kinematics of the Distal Femur Viewed in Virtual Reality: Part II." Journal of Bone and Joint Surgery, Vol. 85-A, Supplement 4, 2003, pp. 97-104.

Eckhoff, D.G.; Dwyer, T.F.; Bach, J.M.; Spitzer, V.M.; Reining, K.D."Three-Dimensional Morphology of the Distal Part of the Femur Viewed in Virtual Reality." Journal of Bone and Joint Surgery, Vol. 83-A, Supplement 2, Part I, 2001, pp. 43-50.


Peer Reviewed Abstracts

Orthopaedic Research Society’s Annual Meeting, 2015 (accepted)
Biomechanical Assessment of Three Patellar Advancement Procedures for the Treatment of Patella Alta in Children with Cerebral Palsy
Adam Seidl, MD (resident), Todd Baldini, M.Sc., Jason Rhodes, James Carollo, PhD, PE

Orthopaedic Research Society’s Annual Meeting, 2015 (accepted)
Biomechanical Comparison of Traditional Anchors to All-Suture Anchors in a Double-Row Rotator Cuff Repair Cadaver Model
Andrew Goschka BS; Jason Hafer BS; Kirk Reynolds MD; Nicholas Aberle MD; Todd Baldini MSc; Monica Hawkins PhD; Eric McCarty MD

Orthopaedic Research Society’s Annual Meeting, 2014
Revitalization of bone allograft with human induced pluripotent stem cells
Brian Davis (med student), Michelle Sauque, Todd Baldini, Ganna Bilousova, Karin Payne.

29th Annual Meeting of the North American Spine Society (NASS)
A Comparative Analysis of Lumbo-sacral Fixation Strengths: What is Best in a Long Fusion?  Kleck CJ (fellow), Illing D (med student), Lindley EM, Patel VV, Barton C (med student), Baldini T, Razavi-Shearer D, Cain CMJ, Burger EL

Sociedty of Biomaterials Annual Meeting, 2013
Biomechanical Testing of Soft Tissue Allografts Sterilized Using Two Different Methods
K. Caperton, MD (Fellow), M. Hawkins, PhD, T. Baldini, MS, E. McCarty, MD

 

Pediatric Orthopaedic Society of North America’s (POSNA) Annual Meeting, 2012
Biomechanics of Two Physeal-Sparing ACL Reconstruction Techniques: A Cadaver Study
Sarah Sibbel, MD; Alfred Mansour, MD; Todd Baldini, MS; Pam Wolfe, MS; Michelle Wolcott, MD; Armando Vidal, MD

Pediatric Orthopaedic Society of North America’s (POSNA) Annual Meeting, 2012
Biomechanical comparison of augmented distal fixation of Fassier-Duval telescoping rods
Alfred Mansour, MD; James Barsi, MD; Todd Baldini, MS; Gaia Georgopoulos, MD

 

American Orthopaedic Society of Sports Medicine’s (AOSSM) Annual Meeting, 2012
Biomechanical Analysis of Femoral Suspensory Fixation Devices: A Practical Comparison
Jeffrey Brunelli, MD; Todd Baldini, MS; Lucas Rylander, MD; Byron Ellis, BS; Michal Taylor, MD; Monica Hawkins, PhD; Eric McCarty, MD

Western Orthopaedic Association Annual Meeting, 2010
Distal Humerus Fracture Fixation – Are Precontoured Locking Plates Biomechanically Superior to Conventional Reconstruction Plates?
Sanford and Darlene Anzel Award winner Koonce, R.; Baldini, T.; Carson, J.H.; Morgan, S.

 

 

Orthopaedic Research Society’s Annual Meeting, 2010

Patellofemoral Joint Contact Area During Quadriceps Loading in Intact, ACL Deficient and Implanted Knees
Holz, T.N.; Baldini, T.H.; Dayton, M.; Bach, J.M.

Orthopaedic Research Society’s Annual Meeting, 2009

Comparison of Locked and Non-Locked Plate Fixation in Osteoporotic and Normal Bone
Baldini, T; DiMatteo, L; Morgan, S; Williams, A; Phillips, G; Bach, J

 

Orthopaedic Research Society’s Annual Meeting, 2009

Difference between the Transepicondylar Line and Cylindrical Axis of the Knee Relative to the Femoral and Tibial Mechanical Axes
Winston, Mark; Hancock, Clifton; Bach, Joel; Davidson, Bradley; Baldini, Todd; Eckhoff, Donald

 

Orthopaedic Trauma Association Annual Meeting, 2007

A Biomechanical Comparison of the Stresses Generated During Insertion of an Antegrade Femoral Nail Using Two Different Insertion Points
Murken, R., Steven J Morgan, J.S., H Baldini, T.B., Williams, A., Smith, W., Bach, J.

Orthopaedic Research Society’s Annual Meeting, 2007

Accuracy of Image Based Computer Assisted Surgery in Acetabular Cup Placement for Supine Two Incision Total Hip Arthroplasty
Mejia H, Dayton MR, Baldini T, Peacher G, Williams A, Borchard K, Bach JM

37th Annual Meeting of the American Association for Hand Surgery, 2007
BIOMECHANICAL COMPARISON OF DIFFERENT VOLAR FRACTURE FIXATION PLATES FOR DISTAL RADIUS FRACTURES
Sobky, K., Baldini, T., Thomas, K., Bach, J, Wolf, J.

6th Biennial ISAKOS Congress, 2007
How Many Anchors are Necessary for Adequate Fixation of Simple Type II SLAP Lesions
McCarty EC, Snyder RL, Gines JL, Baldini TH, Bach JM

 

 

Orthopaedic Research Society’s Annual Meeting, 2006
Functional Flexion Axis of the Knee in 3-D Space
DiMatteo, L., Hogan, C., Eckhoff, D., Doucette, T., Rubinstein, D., Baldini, T., Bach, J.

The America Academy of Orthopaedic Surgeons Annual Meeting, 2006
The Effect of Screw Insertion Angle On Pullout Strength In A Locked Plate Model
Alberts, M., Morgan, S., Baldini, T., Repine, M., Bach, J.

The American Academy of Orthopaedic Surgeons Annual Meeting, 2006
3-D Morphology and Mechanics of the Knee Referenced in Computer-Assisted surgical Navigation

 

The American Academy of Orthopaedic Surgeons Annual Meeting, 2005
3-D Mechanics, Kinematics, and Morphology of the Knee Viewed in Virtual Reality
Eckhoff, D., Bagur, M., Flannery, N., Baldini, T., Reinig, K., Bach, J.

Orthopaedic Research Society’s Annual Meeting, 2004

Cylindrical Model for the Flexion-Extension (FE) Axis of the Knee

 

 

Orthopaedic Trauma Association’s 19th Annual Meeting, 2003
The Effect of Screw Insertion Angles on Pullout, Torsion, and Cantilever Bending Strength with an Internal Fixator with Locked Unicortical Screws
Repine, M., Morgan, S., Baldini, T., Bach, J.

The American Academy of Orthopaedic Surgeons Annual Meeting 2003, Scientific Exhibit

Three-Dimensional Morphology of the Distal Part of the Femur Viewed in Virtual Reality
Eckhoff, D., Bach, J., Spitzer, V., DiMatteo, L., Baldini, T., Flannery, N., Bagur, M., Reinig, K.

The American Academy of Orthopaedic Surgeons Annual Meeting 2002, Scientific Exhibit
Three-Dimensional Morphology of the Distal Part of the Femur Viewed in Virtual Reality
Eckhoff, D., Bach, J., Spitzer, V., Baldini, T., Reinig, K.

The American Academy of Orthopaedic Surgeons Annual Meeting 2002
Biomechanical Assessment of Conventional Unit Rod Fixation versus a Unit Rod/Pedicle Screw Construct: A Human Cadaver Study
Erickson, M., Oliver, T., Baldini, T., Bach, J.​​