Christopher J. Lenarz M.D.
– Shoulder and Elbow Specialist
– Arthroscopic and Reconstructive Surgery
– General Orthopedic Surgery
– Board Certified – American Board of
– Orthopedic Surgery
– Board Certified – American Board of
– Independent Medical Examiners
– Founder of Excel Orthopedics
– Co-Founder Missouri Shoulder and Elbow Society

Education
September 1994 – May 1998 | B.A.
– Cornell College
– Mount Vernon, Iowa

August 2000 – May 2004 | M.D.
– Medical College of Wisconsin
– Wauwatosa, Wisconsin

Licensure
June 2010 to June 2011
– Ohio Permanent License 35.095561
June 2011 to present
– Missouri Permanent License 2011010502
July 2013 to present
– American Board of Orthopedic Surgeons
November 2013 to present
– American Board of Independent Medical Examiners

Work History
Mathy Construction | Chemist
920 10th Ave N
Onalaska, WI
June1998 through July, 2000

Saint Louis Orthopedic Institute | Partner
12855 N Forty Drive
Saint Louis, MO
August 2011 through November 2013

Excel Orthopedics | Founder
17300 N Outer Forty Road
Chesterfield, MO
December 2013 through present

Office Address
17300 N Outer Forty Drive, Suite 316
Chesterfield, MO 63005

Contact Information
Tel: 636-778-3177
Email: drlenarz@excel-orthopedics.com

Personal Data
DOB: 1976
Place of Birth: Minneapolis, MN
Military Obligation: None

Languages Spoken
English and Some Spanish

Training
July 2004 – June 2010
– Saint Louis University Hospital
– Saint Louis, Missouri
– Orthopedic Surgery Residency
July 2010 – June 2011
– Case Western Reserve University/Crystal Clinic Orthopedic Center
– Cleveland, Ohio
– Shoulder and Elbow Fellowship
November 2-3, 2013
– American Board of Independent Medical Examiners
– AMA Guides to the Evaluation of Permanent Impairment 6th Ed.
– Training Course and Examination – Passed and certified
May 16-18, 2014
– Arthroscopy Associated North America | Orthopedic Learning Center
– Wrist and Elbow Arthroscopy Masters Course

Major Professional Societies
– American Shoulder and Elbow Surgeons | Member
– Fellow American Academy of Orthopedic Surgeons
– Arthroscopy Association of North America | Member
– Missouri Shoulder and Elbow Society | Co-Founding Member

Presentations

  1. Atypical Anterior Wall Fractures of the Acetabulum. Lenarz CJ, Moed BR. Mid-America Orthopaedic Association 25th Annual Meeting, Boca Raton, Florida, April 2007.
  2. Evaluation of the Inter-Observer and Intra-Observer Reliability of Three Thoracolumbar Fracture Classification Systems. Lenarz CJ, Oliver DS, Place HM. Mid-America Orthopaedic Association 25th Annual Meeting, Boca Raton, Florida, April 2007.
  3. An Evaluation of the Accuracy of the TLISS system in the Management of 97 Sequential Thoracolumbar Fractures. Lenarz CJ, Place HM. Mid-America Orthopaedic Association 25th Annual Meeting, Boca Raton, Florida, April 2007.
  4. Divergent Half Pin Frames: A Biomechanical Comparison to Traditional Ring Fixator Fixation. Lenarz CJ, Watson JT. Mid-America Orthopaedic Association 25th Annual Meeting, Boca Raton, Florida, April 2007.
  5. Evaluation of the Inter-Observer and Intra-Observer Reliability of Three Thoracolumbar Fracture Classification Systems. Lenarz CJ, Oliver DS, Place HM. North American Spine Society Annual Meeting,, Nassau, Bahamas, 2007.
  6. An Evaluation of the Accuracy of the TLISS system in the Management of 97 Sequential Thoracolumbar Fractures. Lenarz CJ, Place HM. North American Spine Society Annual Meeting, Nassau, Bahamas, 2007.
  7. Wound Closure In Open Fractures: A Prospective Protocol Using Post Debridement Culture Results. Lenarz CJ, Watson JT, Israel H, Moed BR. Orthopaedic Trauma Association Annual Meeting, October 2008.
  8. Evaluation of the Effectiveness of a New Classification System for Lower Cervical Spine Injuries. Zehnder SW, Lenarz CJ, Place HM. Poster Presentation North American Spine Society Annual Meeting, Toronto, Ontario 2008.
  9. Evaluation of the Effectiveness of a New Classification System for Lower Cervical Spine Injuries. Zehnder SW, Lenarz CJ, Place HM. Poster Presentation American Academy of Orthopaedic Surgeons Annual Meeting. Las Vegas, Nevada, 2009.
  10. Wound Closure In Open Fractures: A Prospective Protocol Using Post Debridement Culture Results. Lenarz CJ, Watson JT, Israel H, Moed BR. Podium Presentation at American Academy of Orthopaedic Surgeons for 2009.
  11. Wound Closure In Open Fractures: A Prospective Protocol Using Post Debridement Culture Results. Lenarz CJ, Watson JT, Israel H, Moed BR. Podium presentation at Mid-America Orthopaedic Association Annual Meeting 2009.
  12. Management of a Pregnant Patient with a Burst Fracture Causing Neurologic Injury. Lenarz CJ, Wittgen K, Place HM. Podium presentation at Mid-America Orthopaedic Association Annual Meeting 2009.
  13. Inter and Intraobserver Reliability Of The Clock Face Representation As Used to Describe the Femoral Intercondylar Notch. Lenarz CJ, Kaar S. Podium Presentation at Mid-America Orthopaedic Association Annual Meeting 2010.
  14. Inter and Intraobserver Reliability Of The Clock Face Representation As Used to Describe the Femoral Intercondylar Notch. Lenarz CJ, Kaar S. Poster Presentation at Arthroscopy Association of North America Annual Meeting 2010.
  15. Radiostereometric Analysis of Total Shoulder Replacements: An Analysis of Component Stability in Keeled vs. Pegged Glenoids. Lenarz CJ, Greene M, Shishani Y, Wanner JP, Bragdon C, Malchau H, Gobezie R. 11th International Congress on Shoulder and Elbow Surgery. September 2010. Poster Presentation.
  16. Component Stability of Uncemented Humeral Components in Primary Total Shoulder Arthroplasty: a Radiostereometric Analysis. Lenarz CJ, Greene M, Shishani Y, Wanner JP, Bragdon C, Malchau H, Gobezie R. 11th International Congress on Shoulder and Elbow Surgery. September 2010. Poster Presentation.
  17. Resection Arthroplasty for Failed Shoulder Arthroplasty. Gobezie R, Lenarz C, Shishani Y, McCrum C. 11th International Congress on Shoulder and Elbow Surgery. September 2010. Podium Presentation.
  18. Pectoralis major transfer for the treatment of long thoracic nerve palsy. Outcomes of direct versus indirect transfer technique. Gobezie R, Lenarz C, Shishani Y, McCrum C. 11th International Congress on Shoulder and Elbow Surgery. September 2010. Podium Presentation.
  19. Component Stability of Uncemented Humeral Components in Primary Total Shoulder Arthroplasty: a Radiostereometric Analysis. Lenarz CJ, Greene M, Shishani Y, Wanner JP, Bragdon C, Malchau H, Gobezie R. American Academy of Orthopaedic Surgeons Annual Meeting. February 2011. Podium Presentation.
  20. Reverse Shoulder Arthroplasty for the Treatment of Acute Proximal Humerus and Glenoid Fractures. Lenarz C, Shishani Y, McCrum C, Edwards BT, Nowinski RJ, Gobezie R. American Academy of Orthopaedic Surgeons Annual Meeting. February 2011.
  21. Resection Arthroplasty for Failed Shoulder Arthroplasty. Gobezie R, Lenarz C, Shishani Y, McCrum C American Academy of Orthopaedic Surgeons Annual Meeting. February 2011.
  22. Reverse Total Shoulder Arthroplasty In Patients Under Sixty Years of Age: Who Are They and How Do They Fare. Streit J, Wanner JP, Lenarz C, Gobezie R. 12th International Congress on Shoulder and Elbow Surgery. September 2011. Podium Presentation.
  23. In vivo Glenoid Polyethylene Wear Rates in Total Shoulder Arthroplasty: A Radiostereometric Analysis. Lenarz C, Streit J, Shishani Y, Wanner JP, Bragdon In vivo Glenoid Polyethylene Wear Rates in Total Shoulder Arthroplasty: A Radiostereometric Analysis. Lenarz C, Streit J, Shishani Y, Wanner JP, Bragdon C, Greene M, Malchau H, Gobezie R. 12th International Congress on Shoulder and Elbow Surgery. September 2011. Podium Presentation.
  24. Reverse Total Shoulder Arthroplasty In Patients Under Sixty Years of Age: Who Are They and How Do They Fare? Streit J, Wanner J, Lenarz C, Lucas C, Edwards T, Gobezie R. Podium Presentation, American Shoulder and Elbow Surgeons Closed Meeting. October, 2011.

Publications

  1. Lenarz CJ, Moed BR. Atypical Anterior Wall Fracture: Case Series of Anterior Acetabular Rim Fractures Without Involvement of the Pelvic Brim. Journal of Orthopaedic Trauma. 21(8): 515-522, September 2007.
  2. Lenarz CJ, Alander D, Oliver D, Lenke L, Place HM. Comparative Reliability of Three Thoracolumbar Fracture Classifications. Journal of Spinal Disorders and Techniques.. 22(6):422-7. August 2009.
  3. Lenarz CJ, Watson JT. Circular External Fixation Frames with Divergent Half Pins: A Biomechanical Study. Clinical Orthopaedics and Related Research. 466(12):2933-9. Dec 2008.
  4. Lenarz CJ, Wittgen K, Place HM. Management of a Pregnant Patient with a Burst Fracture Causing Neurologic Injury. JBJS Am. 91(7):1747-9. July 2009.
  5. Lenarz CJ, Watson JT, Moed BR, Israel H, Mullen J, MacDonald J. Timing of Wound Closure in Open Fractures Based Upon Post-Debridement Cultures. JBJS Am. 2010 Aug18;92(10):1921-6. doi: 10.2106/JBJS.I.00547.
  6. Lenarz CJ, Place HP. Evaluation of a New Spine Classification System, Does it Accurately Predict Treatment. Journal of Spinal Disorders and Techniques. 2010 May;23(3):192-6. do:10.1097/BSD.0b012e31819e30c1.
  7. Zehnder S, Lenarz CJ, Place HP. Teachability and Reliability of a new classification system for lower cervical spinal injuries. Spine, 1;34(19): 2039-43. September 2009.
  8. Azzam, M, Lenarz C, Kaar S, Farrow L, Israel H, Kieffer D. Inter and Intraobserver Reliability Of The Clock Face Representation As Used to Describe the Femoral Intercondylar Notch. Accepted to Knee Surgery Sports Traumatology, Arthrosc. 2011 Aug; 19(8):1265-70. doi: 10.1007/s00167-010-1389-5
  9. Lenarz C, Shishani Y, McCrum C, Nowinski RJ, Edwards TB, Gobezie R. Is reverse shoulder arthroplasty appropriate treatment of fractures in the older patient. Early Observations. Clinical Orthopaedics and Related Research. 2011 Dec; 469(12): 3324-31 doi: 10.1007/s11999-011-2055-z
  10. Lenarz C, Shishani Y, Gobezie R. The Hemicap Solution: surface replacement for humeral head defects. Seminars in Arthroplasty (in press)
  11. Lenarz C, Streit J, Schnaser E, Gobezie R. Pectoralis Major Tendon Rupture: Evaluation, Treatment Options, and Surgical Technique. Orthopedics (accepted)
  12. Streit J, Lenarz C, Shishani Y, Wanner JP, Warner JJP, Nowinski RJ, Gobezie R. Pectoralis major tendon transfer for the treatment of long thoracic nerve palsy: direct vs indirect transfer. J Shoulder and Elbow Surgery 2012 May;21(5):685-90
  13. Lenarz C, Gobezie R. Reverse total shoulder replacement: technique and management. Journal of Video Experimentation Jul 5;(53).
  14. Gobezie R, Lenarz CJ, Wanner JP, Streit JJ. All-Arthroscopic Total Shoulder Resurfacing. Arthroscopy. 2011 Nov;27(11):1588-93
  15. Muh SJ, Streit JJ, Lenarz CJ, McCrum C, Wanner JP, Shishani Y, Moraga C, Nowinski RJ, Edwards TB, Warner JJ, Walch G, Gobezie R. Resection arthroplasty for failed shoulder arthroplasty. J Shoulder and Elbow Surgery 2013 Feb;22(2):247-52
  16. Muh SJ, Streit JJ, Wanner JP, Lenarz CJ, Sishani Y, Rowland DY, Riley C, Nowinski RJ, Edwards TB, Gobezie R. Early follow-up of reverse total shoulder arthroplasty in patients sixty years of age or younger. J Bone Joint Surg Am. 2013 Oct 16;95(20):1877-83.
  17. Crawford B, Lenarz C, Watson JT, Alander D. Complications with Removal of a Lumbar Spinal Locking Plate. Case Reports in Orthopedics. Volume 2015 (2015), Article ID 787249. doi:10.1155/2015/787249.

Book Chapters

  1. Acromioclavicular Joint Disorders. Lenarz C, Heuer H, Guerra J, Gobezie R. in Evaluation and Management of Common Upper Extremity Disorders: A practical handbook.
  2. Lenarz C, Gobezie R. Shoulder osteoarthritis. Orthopaedics : Diagnosis and Treatment Essentials for Primary Care Physicians. World Scientific Publishing (in press)

Instructor

  1. Arthrex Surgical Advanced Shoulder Symposium. December 7th, 2013. Kansas City, Missouri
  2. Associate Master Instructor. Arthroscopic Association of North America.Mission Possible for Today’s Shoulder Surgeon: A New Standard for a New Century. February 2016. Orthopedic Learning Center, Rosemount, Illinois.

Peer Reviewer

  1. Journal of Shoulder and Elbow Surgery
  2. Arthroscopy: The Journal of Arthroscopic and Related Surgery

Additional Activitie

  1. Cure International Haiti Relief Efforts Physician Volunteer. Adventist Hospital. Portau- Prince, Haiti. February 7th thru 14th, 2010.