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Director: Michael Bottlang

Voice: 503.413.5457

Fax: 503.413.5216


Legacy Research Institute

1225 NE 2nd Ave

Portland, OR 97232




  • Articles
  • Awards
  • Book Chapters
  1. Hansen, K., et al., Angular Impact Mitigation system for bicycle helmets to reduce head acceleration and risk of traumatic brain injury. Accid. Anal. Prev. (2013),
  2. Wackym PA, Ratigan JA, Birck JD, Johnson SH, Doornink J, Bottlang M, Gradiner SK, Black FO, "Rapid cVEMP and oVEMP Responses Elicited by a Novel Head Striker and Recording Device". 33:1392-1400 2012, Otology & Neurotology
  3. Bottlang M, Long WB, Phelan D, Fielder D, Madey SM, “Surgical stabilization of flail chest injuries with MatrixRIB implants: A prospective observational study”. j.injury.2012.08.011.
  4. Bottlang M, Fitzpatrick DC, Lujan T, Doornink J, Madey SM, “Biomechanics and use of far cortical locking in orthopaedic trauma”.  Orthopaedic Knowledge Online Journal, 2012
  5. Henderson CE, Lujan T, Kuhn L, Bottlang M, Fitzpatrick DC, Marsh JL, “2010 Mid-America Orthopaedic Association Physician in Training Award: Healing complications are common after locked plating for distal femur fractures”. Clin Orthop Rel Res, 469:1757-1765, 2011
  6. Girard, M. J., Suh, J. K., Bottlang, M., Burgoyne, C. F., & Downs, J. C. (2011). Biomechanical changes in the sclera of monkey eyes exposed to chronic IOP elevations. Invest Ophthalmol Vis Sci, 52(8), 5656-5669. doi: iovs.10-6927 [pii]

  7. Bahney, C. S., Lujan, T. J., Hsu, C. W., Bottlang, M., West, J. L., & Johnstone, B. (2011). Visible light photoinitiation of mesenchymal stem cell-laden bioresponsive hydrogels. Eur Cell Mater, 22, 43-55; discussion 55. doi: vol022a04 [pii]
  8. Denard JD, Doornink J, Phelan D, Madey SM, Fitzpatrick DC, Bottlang M. Biplanar fixation of a locking plate in the diaphysis improves construct strength. J Clin Biomech, DOI: 10.1016, 7 pages. E-publication ahead of print, January 10, 2011.
  9. Pape HC, Bottlang M. Flexible fixation with locking plates. Editorial. J Orthop Trauma, 25:2 Suppl., S1-3, 2011.
  10. Doornink J, Fitzpatrick DC, Madey SM, Bottlang M. Far cortical locking enables flexible fixation with periarticular locking plates. J Orthop Trauma, 25:2 Suppl., S29-34, 2011.
  11. Bottlang M, Feist F. Biomechanics of Far Cortical Locking, J Orthop Trauma, 25:2 Suppl.,  S21-28, 2011.
  12. Henderson CE, Lujan T, Kuhn L, Bottlang M, Fitzpatrick DC, Marsh JL. 2010 Mid-America Orthopaedic Association Physician in Training Award: Healing complications are common after locked plating for distal femur fractures. Clin Orthop Rel Res, 469:1757-1765, 2011.
  13. Henderson CE, Lujan T, Bottlang M, Fitzpatrick DC, Madey SM, Marsh JL. Stabilization of distal femur fractures with intramedullary nails and locking plates: differences in callus formation. Iowa Orthop J, 30:61-68, 2010.
  14. Bottlang M, Walleser S, Noll M, Honold S, Madey SM, Fitzpatrick DC, Long WB. Biomechanical rationale and evaluation of an implant system for rib fracture fixation. Eur J Trauma Emerg Surg, 2010, 36:417-426.
  15. Bottlang M, Doornink J, Lujan TJ, Fitzpatrick DC, Marsh JL, Augat P, von Rechenberg B, Lesser M, Madey SM. Effects of construct stiffness on healing of fractures stabilized with locking plates. J Bone Joint Surg Am. 2010;92 Suppl 2:12-22.
  16. Lujan TJ, Wirtz KM, Bahney CS, Madey SM, Johnstone B, Bottlang M. A Novel Bioreactor for the Dynamic Stimulation and Mechanical Evaluation of Multiple Tissue-Engineered Constructs. Tissue Eng Part C Methods, E-publication ahead of print, ISSN 1937-3392, 10/19/2010.
  17. Doornink J, Fitzpatrick DC, Boldhaus S, Madey SM, Bottlang M. Effects of hybrid plating with locked and nonlocked screws on the strength of locked plating constructs in the osteoporotic diaphysis. J Trauma 69(2):411-7, 2010.
  18. Bottlang M, Lesser M, Koerber J, Doornink J, von Rechenberg B, Augat P, Fitzpatrick DC, Madey SM, Marsh JL. Far cortical locking can improve healing of fractures stabilized with locking plates. The Journal of bone and joint surgery.92:1652-1660, 2010.
  19. Fitzpatrick DC, Denard PJ, Phelan D, Long WL, Madey SM, Bottlang M. Operative stabilization of flail chest injuries: review of literature and fixation options. Eur J Trauma Emerg Surg, E-publication ahead of print, June 3, 2010.
  20. Lujan TJ, Henderson CE, Madey SM, Fitzpatrick, DC, Marsh JL, Bottlang M. Locked plating of distal femur fractures leads to inconsistent and asymmetric callus formation. J Orthop Trauma, 24:156-162, 2010.
  21. Gardner MJ, Krieg CK, Simpson SS, Bottlang M, Displacement after simulated pelvic ring injuries: A cadaveric model of recoil. J Trauma 2010, 68:1, 159-165.
  22. Lujan TJ, Madey SM, Fitzpatrick DC, Byrd GD, Sanderson JM, Bottlang, M. A computational technique to measure fracture callus in radiographs. J Biomech, 43:792-795, 2010.
  23. Bottlang M, Helzel I, Long W, Fitzpatrick DC, Madey S. Less-Invasive stabilization of rib fractures by intramedullary fixation: A biomechanical study. 2010; ISSN 1529-8809 e-publication ahead of print.
  24. Bottlang, M, Helzel, I, Long, WB, Madey, SM. Anatomically contoured plates for fixation of rib fractures. Journal of Trauma. 2010;68 (3):611-615.
  25. Girard MJ, Suh JK, Bottlang M, Burgoyne CF, Downs JC. Scleral biomechanics in the aging monkey eye. Invest Ophthalmol Vis Sci 2009;50-11:5226-37.
  26. Helzel I, Long W, Fitzpatrick D, Madey S, Bottlang M. Evaluation of intramedullary rib splints for less-invasive stabilisation of rib fractures. Injury 2009;40-10:1104-10.
  27. Kouvidis GK, Sommers MB, Giannoudis PV, Katonis PG, Bottlang M. Comparison of migration behavior between single and dual lag screw implants for intertrochanteric fracture fixation. J Orthop Surg Res 2009;4:16.
  28. Girard MJA, Downs JC, Burgoyne CF, Bottlang M, Suh J-KF: Peripapillary and Posterior Scleral Mechanics, Part II – Experimental and Inverse Finite Element Characterization. Journal of Biomechanical Engineering, 131(5):051012, 2009.
  29. Bottlang, M, Doornink, J, Fitzpatrick, DC, Madey, SM. Far cortical locking can reduce stiffness of locked plating constructs while retaining construct strength. J Bone and Joint Surg 91(8):1985-1994, 2009.
  30. Fitzpatrick, DC, Doornink, J, Madey, SM, Bottlang, M. Relative stability of locked plating fixation in a model of the osteoporotic femoral diaphysis. Clinical biomechanics (Bristol, Avon) 2009;24(2):203-209.
  31. Bottlang, M., Doornink, J., Byrd, G., Fitzpatrick, DC, Madey, SM, A non-locking endscrew can decrease fracture risk caused by locked plating in the osteoporotic diaphysis. The Journal of bone and joint surgery, 91(3):620-627, 2009.
  32. Henderson, C., Bottlang, M., Marsh, J.L., Fitzpatrick, D.C., Madey, S.M. Does locked plating of periprosthetic supracondylar femur fractures promote bone healing by callus formation? Two cases with opposite outcomes. The Iowa Orthopaedic Journal, 2008, Vol 28, 73-76.
  33. Bottlang, M., Mohr, M., Simon, U., Claes, L. Acquisition of full-field strain distributions on ovine fracture callus cross-sections with electronic speckle pattern interferometry. J Biomech, 2008, Vol 41:3, 701-5.
  34. Bottlang M, Sommers MB, Lusardi TA, Miesch JJ, Simon RP, Xiong ZG. Modeling neural injury in organotypic cultures by application of inertia-driven shear strain. J Neurotrauma. 2007 Jun;24(6):1068-77.
  35. Sommers, MB, Fitzpatrick, DC, Madey, SM, Zanderschulp, CV, Bottlang, M. A Surrogate Long-Bone Model with Osteoporotic Material Properties for Biomechanical Testing of Fracture Implants. J Biomech. 2007, Vol 40/15 pp 3297-3304.
  36. Mohr, M, Abrams, E, Engel, C, Long, WB, and Bottlang, M. Geometry of Human Ribs Pertinent to Orthopaedic Chest-Wall Reconstruction. J Biomech. 2007, 40(6):1310-7.
  37. Ehmke, LW, Madey, SM, Britton, BP, Bottlang, M. Antegrade Femoral Nailing Through the Trochanter: The Reamer Pathway Indicates a Helical Shape for Trochanteric Intramedullary Nails. J Orthop Trauma. 2006 Nov-Dec;20(10):668-74.
  38. Kessler, O., Lacatusu, E., Sommers, SM, Mayr, E, Bottlang, M. Femoral Malrotation Increases Cortical Strain in the Proximal Tibia after Total Knee Arthroplasty. Clin Biomech (Bristol, Avon). 2006 Jul; 21(6):603-9.
  39. Bottlang, M, Erne, O, Lacatusu, E, Sommers, MS, Kessler, O. The mobile bearing of a Scorpio+ PS Knee Arthroplasty can Reduce Strain at the Proximal Tibia. Clin Orthop Relat Res. 2006 Jun; 447:105-11.
  40. Krieg, JC, Mohr, M, Ellis, TJ, Simpson, TS, Madey, SM, Bottlang, M, Emergent Stabilization of Pelvic Ring Injuries by Controlled Circumferential Compression: A Clinical Trial. J Trauma, 59(3):659-64.2005.
  41. Ehmke LW, Fitzpatrick DC, Krieg JC, Madey SM, Bottlang M. Lag screws for hip fracture fixation: Evaluation of migration resistance under simulated walking. J Orthop Res., 2005, 23:6 , 1329-1335.
  42. Bottlang, M, Letters to the editor. J Orthop Trauma. 2005 Jul;19(6):435.
  43. Krieg, JC, Mohr, M, Mirza, AJ, Bottlang, M. Pelvic Circumferential Compression in the presence of soft-tissue injuries: A case report. J Trauma, 59(2):470-9, 2005.  
  44. Fitzpatrick, D. C., Sommers, M.B., Kam, B.C.C., Marsh, J.L., Bottlang, M.: Knee Stability After Articulated External Fixation. Am J Sports Med. 33: 1735-1741, 2005.
  45. Engel C, Krieg JC, Madey SM, Long WB, Bottlang M. Operative Chest Wall Fixation with Osteosynthesis Plates. J Trauma, 2005, 58:181-186.
  46. Erne, OK, Reid, JB, Sommers, M, Madey, SM, Bottlang, M. Depth-dependent strain of patellofemoral articular cartilage in unconfined compression. J Biomech., 2005, 38:4, 667-72.
  47. Sommers MB, Fitzpatrick DC, Kahn KM, Marsh, JL, Bottlang M. Hinged External Fixation of the Knee: Intrinsic Factors Influencing Passive Joint Motion. J Orthop Trauma, 18:3, 163-169, 2004.
  48. Sommers MB, Roth C, Hall H, Kam BCC, Ehmke LW, Krieg JC, Madey SM, Bottlang M. Cut-out resistance of implants for pertrochanteric fracture fixation. J Orthop Trauma.18(6):361-368, 2004.
  49. Bottlang, M, Erstversorgung von lebensbedrohlichen Beckenfrakturen. Rettungsdienst Journal, 01-2004, 28-30, 2004.
  50. Bottlang M, Krieg JC. The pelvic fracture stabilization in the field. Emerg Med Serv. 2003 Sep;32(9):126-9.
  51. Bottlang M, Krieg JC. Introducing the pelvic sling. Pelvic fracture stabilization made simple.
     JEMS. 2003 Sep;28(9):84-93.
  52. Bottlang M, Krieg JC. Simple solutions for life-threatening injuries: Stabilizing pelvic fractures at the scene with a pelvic sling. Emergency, Fire/Rescue and Police 2003;3:17-18.
  53. Bottlang M, Scheinberg S, Krieg JC. Pelvic sling for application in special ops medicine. Journal of Special Operations Medicine 2003;3:62-64.
  54. Bottlang M, Krieg JC, Mohr M, Simpson TS, Madey SM. Emergent management of pelvic ring fractures by circumferential compression. Journal of Bone and Joint Surgery 2002;84-A:43-47.
  55. Simpson T, Krieg JC, Heuer F, Bottlang M. Stabilization of pelvic ring disruptions with a circumferential sheet. J Trauma 2002;52:158-161.
  56. Bottlang M, Simpson TS, Sigg J, Krieg JC, Madey SM, Long WB. Non-invasive reduction of open-book pelvic fractures by circumferential compression. J Orthop Trauma 2001;16:367-373.
  57. Von Koch F, Marsh JL, Steyers CM, McKinley TO, O' Rourke M, Bottlang M. A new articulated elbow external fixator technique for difficult elbow trauma. Iowa Orthopaedic Journal 2001;21:13-19.
  58. Bottlang M, Madey SM, Steyers CM, Marsh JL, Brown TD. Assessment of elbow joint kinematics in passive motion via electromagnetic motion tracking. J Orthop Res 2000;18:195-202.
  59. Bottlang M, O' Rourke M, Madey SM, Steyers CM, Marsh JL, Brown TD. Radiograohic determinants of the elbow rotation axis: experimental identification and qualitative validation. J Orthop Res 2000;18:821-828.
  60. Brown TD, Bottlang M, Pederson DR, Banes AJ. Development and experimental validation of a fluid/ structure interaction finite element model of a vacuum cell culture mechanostimulus system. Comput Methods Biomech Engin 2000;3:65-78.
  61. Brown TD, Pederson DR, Bottlang M, Banes AJ. Reactive fluid stress in a vacuum-driven cell culture mechanostimulus system. J Orthop Res 2000;provisionally accepted:
  62. Madey SM, Bottlang M, Steyers CM, Marsh JL, Brown TD. Hinged external fixation of the elbow: optimal axis alignment to minimize motion resistance. J Orthop Trauma 2000;14:41-47.
  63. O' Rourke M, Steyers CM, Marsh JL, Bottlang M, Madey SM, Brown TD. Articulated elbow external fixation: determinants for optimal hinge alignment. Atlas of Hand Clinics. New York, W.B. Saunders Company, 2000.
  64. Banes AJ, Weinhold P, Yang X, Tsuzaki M, Bynum D, Bottlang M, Brown TD. Gap junction regulated response of tendon cells ex vivo to mechanical loading. Clin Orthop Rel Re 1999;367:S356-S357.
  65. Bottlang M, Marsh JL, Brown TD. Articulated external fixation of the ankle: minimizing motion resistance by accurate axis alignment. J Biomech 1999;32:63-70.
  66. Brown TD, Bottlang M, Pederson DR, Banes AJ. Loading paradigms -- intentional and unintentional -- for cell culture culture mechanostimulus. Am J of Med Sci 1999;316:162-168.
  67. Bottlang M, Marsh JL, Brown TD. Factors influencing accuracy of screw displacement axis detection with a D.C. based electromagnetic tracking system. J Biomech Eng 1998;120:431-435.
  68. Bottlang M, Simnacher M, Schmitt H, Brand RA, Claes L. A cell strain system for small homogeneous strain applications. Biomed Tech 1997;42:305-309.


  1. 2010 Mid-America Orthopaedic Association Physician in Training Award: Healing Complications Are Common After Locked Plating for Distal Femur Fractures. Henderson C., Lujan, TJ, Kuhl, L., Bottlang, M., Fitzpatrick, DC., Marsh, JL., published in Clin Orthop Rel Res (2011) 469:1757-1765.

  2. Scientific Exhibit Award of Excellence, American Academy of Orthopaedic Surgeons, AAOS 2010 Annual Meeting. Bottlang M., Doornink, J, Fitzpatrick, DC, Marsh, JL, Augat, P, von Rechenberg, B, Lesser, M, Madey, SM “Effects of Construct Stiffness on Healing of Fractures Stabilized With Locking Plates”

  3. Outstanding Oral Abstract Presentation Award, The American Association of Oral and Maxillofacial
    Surgeons, 90th Annual Meeting, Seattle, Washington, 2008.

  4. Best Poster, BS Level Competition, Bioengineering Conference, Snowbird, Utah, 2001
    Mark Sommers, Christoph Roth, Harry Hall, James Krieg, Michael Bottlang: “Characterization of Lag Screw Migration Under Cyclic Loading in an Intertrochanteric Fracture Model.”

  5. Best Poster in Orthopaedic Biomechanics, Bioengineering Conference, Snowbird, Utah, 2001
    Frank Heuer, Tamara Simpson, James Krieg, Michael Bottlang: “Stabilization of Pelvic Ring         Fractures by Circumferential compression.”

  6. American Society of Biomechanics Microstrain Award, 2003, Toledo, OH.
    Oliver Erne, John Reid, Larry Ehmke, Michael Bottlang: “ Depth-dependent relaxation of articular cartilage in unconfined compression”

  7. Rodney K. Beals Annual Resident Research Award, 2003
    John Reid, Oliver Erne, Larry Ehmke, Michael Bottlang: “Depth-dependent relaxation of articular cartilage in unconfined compression.”

  8. Rodney K. Beals Annual Resident Research Award, 2002
    Tamara Simpson, James C. Krieg, Steven M. Madey, Michael Bottlang: “Emergent                       Stabilization of Pelvic Ring Fractures.”

  1. O' Rourke M, Steyers CM, Marsh JL, Bottlang M, Madey SM, Brown TD. Articulated elbow external fixation: determinants for optimal hinge alignment. Atlas of Hand Clinics. New York, W.B. Saunders Company, 2000.
  2. Bottlang M, Fitzpatrick DC, Augat P. Muskuloskeletal Biomechanics. Orthopaedic Knowledge Update 10, Section 1. Editor: John Flynn, American Academy of Orthopaedic Surgeons, 2/2011.