In addition to his patient-centered practice, orthopedic surgeon Dr. Connor Ziegler actively contributes to research that advances the field of orthopedic sports medicine. Dr. Ziegler has authored numerous peer-reviewed articles, book chapters, and technical papers, focusing on innovative techniques in shoulder, elbow, and knee surgery. He integrates this cutting-edge knowledge into his daily practice, ensuring that his patients receive the most advanced, evidence-based care. Below is a list of Dr. Ziegler’s recent groundbreaking research, along with a link to his full list of publications.

Peer Reviewed Publications

1. Ziegler CG, DePhillipo NN, Kennedy MI, Dekker TJ, Dornan GJ, LaPrade RF. Beighton score, Tibial Slope, Tibial Subluxation, Quadriceps Circumference Difference and Family History are Risk Factors for ACL Graft Failure: A Retrospective Comparison of Primary and Revision ACL Reconstructions. Arthroscopy: The Journal of Arthroscopic & Related Surgery. 2020 Sep 7.
2. Berthold DP, Muench LN, Kia C, Ziegler CG, Laurencin SJ, Witmer D, Reed DN, Cote MP, Arciero RA, Mazzocca AD. Surgeon and Patient Upper Extremity Dominance Does Not Influence Clinical Outcomes After Total Shoulder Arthroplasty. Orthopaedic Journal of Sports Medicine. 2020 Jul 8;8(7):2325967120932106.
3. Ziegler CG, Van Sloun S, Ganzales S, Whitney KE, DePhillipo ND, Kennedy MI, Dornan G, Evans TA, Huard J, LaPrade RF. Characterization of Growth Factors, Cytokines and Chemokines in Bone Marrow Concentrate and Platelet Rich Plasma: A Prospective Analysis. The American journal of sports medicine. 2019 Jul;47(9):2174-87.
4. Ziegler CG, Aman Z, Storaci H, Finch H, Dornan G, Kennedy MI, Provencher MT, Hackett TR. Low-Profile Dual Small Plate Fixation is Biomechanically Similar to Larger Superior or Anteroinferior Single Plate Fixation of Midshaft Clavicle Fractures. The American journal of sports medicine. 2019 Sep;47(11):2678-85.
5. DePhillipo NN, Zeigler CG, Dekker TJ, Grantham WJ, Aman ZS, Kennedy MI, LaPrade RF. Lateral Posterior Tibial Slope in Male and Female Athletes Sustaining Contact Versus Noncontact Anterior Cruciate Ligament Tears: A Prospective Study. The American journal of sports medicine. 2019 May 24:0363546519848424.
6. Kia C, O’Brien DF, Ziegler CG, Pacheco R, Forouhar F, Williams V. An unusual case of pigmented villonodular synovitis after total knee arthroplasty presenting with recurrent hemarthrosis. Arthroplasty Today. 2018 Aug 13.
7. Edgar C, Kumar N, Ware JK, Ziegler CG, Reed DN, DiVenere J, Obopilwe E, Cote MP, Arciero RA. Incidence of Posteromedial Meniscocapsular Separation and the Biomechanical Implications on the Anterior Cruciate Ligament. The Journal of the American Academy of Orthopaedic Surgeons. 2018 Aug.
8. Pache S, Aman ZS, Kennedy M, Nakama GY, Moatshe G, Ziegler CG, LaPrade RF. Meniscal Root Tears: Current Concepts Review. Archives of Bone & Joint Surg. 2018 Jul;6(4):250.
9. Pache S, Aman ZS, Kennedy M, Nakama GY, Moatshe G, Ziegler CG, LaPrade RF. Posterior Cruciate Ligament: Current Concepts Review. Archives Bone & Joint Surg. 2018 Jan; 6(1): 8-18.
10. Henn LL, Hughes J, Iisakka E, Ellermann J, Mortazavi S, Ziegler CG, Nissi MJ, Morgan P. Disease severity classification using quantitative magnetic resonance imaging data of cartilage in femoroacetabular impingement. Statistics in Medicine. 2017 Apr 30; 36(9):1491-1505.
11. Ziegler CG, Edgar C, Fulkerson J. Radiographic reference points are inaccurate with and without a true lateral radiograph: The importance of anatomy in medial patellofemoral ligament reconstruction. Am J Sports Med. 2016 Jan; 44(1):133-142.
12. Ziegler CG, Edgar C, Cote M, Mazzocca AD. Biological augmentation in repair and reconstruction of the rotator cuff. Oper Tech Sports Med. 2015 March; 23(1):2-10.
13. Ellermann J, Ziegler CG, Nissi M, Goebel R, Hughes J, Benson M, Holmberg P, Morgan P. Acetabular cartilage assessment in patients with femoroacetabular impingement using T2* mapping with arthroscopic verification. Radiology. 2014 Feb; 271(2):512-523.
14. Beitzel K, Cote M, Apostolakos J, Solovyova O, Judson C, Ziegler C, Edgar C, Imhoff A, Arciero R, Mazzocca A. Current concepts in the treatment of acromioclavicular joint dislocations. Arthroscopy. 2013 Feb; 29(2):387-397.
15. Anderson CJ, Ziegler CG, Wijdicks CA, Jansson K, Engebretsen L, LaPrade RF. Arthroscopically pertinent anatomy of the anterolateral and posteromedial bundles of the posterior cruciate ligament. J Bone Joint Surg Am.2012 Nov; 94(21):1936-1945.
16. Pietrini SD, Ziegler CG, Anderson CJ, Johansen S, Engebretsen L, LaPrade RF. Radiographic landmarks for tunnel positioning in double-bundle ACL reconstructions. Knee Surg Sports Traumatol Arthrosc. 2011 May; 19(5):792-800.
17. Ziegler CG, Pietrini SD, Westerhaus BD, Anderson CJ, Wijdicks CA, Johansen S, Engebretsen L, LaPrade RF. Arthroscopically pertinent landmarks for tunnel positioning in single-bundle and double-bundle ACL reconstructions. Am J Sports Med. 2011 April; 39(4):743-752.
18. Anderson CJ, Westerhaus BD, Pietrini SD, Ziegler CG, Wijdicks CA, Johansen S, Engebretsen L, LaPrade RF. Kinematic impact of anteromedial and posterolateral bundle graft fixation angles on double-bundle anterior cruciate ligament reconstructions. Am J Sports Med. 2010 Aug; 38(8):1575-1583.
19. LaPrade RF, Oro FB, Ziegler CG, Wijdicks CA, Walsh MP. Patellar height and tibial slope after opening-wedge proximal tibial osteotomy: a prospective study. Am J Sports Med. 2010 Jan; 38(1):160-170.
20. Pietrini SD, LaPrade RF, Griffith CJ, Wijdicks CA, Ziegler CG. Radiographic identification of the primary posterolateral knee structures. Am J Sports Med. 2009 Mar; 37(3):542-551.

Technique Articles

1. Haber DB, Golijanin P, Stone GL, Sanchez A, Murphy CP, Peebles LA, Ziegler CG, Godin JA, Fox JA, Provencher MT. Primary Acromioclavicular-Coracoclavicular (AC-CC) Reconstruction Using 2 Allografts, TightRope, and Stabilization to the Acromion. Arthroscopy Techniques. 2019 Jan 21.
2. Aman ZS, Kennedy MI, Sanchez A, Krob JJ, Murphy CP, Ziegler CG, Provencher MT. Mini-open Repair of the Floating Anterior Inferior Glenohumeral Ligament: Combined Treatment of Bankart and Humeral Avulsion of the Glenohumeral Ligament Lesions. Arthroscopy Techniques. 2018 Nov 19.
3. Kennedy MI, DePhillipo ND, Chahla J, Armstrong C, Ziegler CG, Buckley PS, Bernhardson AS, LaPrade RF. Surgical Repair of Dynamic Snapping Biceps Femoris Tendon. Arthroscopy Techniques. 2018 Oct 8.

Book Chapters

1. Ziegler CG, Laurencin S, Romeo A, Mazzocca A. Injury to the Acromioclavicular and Sternoclavicular Joints. 5th edition of DeLee & Drez’s Orthopaedic Sports Medicine: Principles and Practice.
2. Ziegler CG, Arciero RA. Clavicle Fractures, Surgical Treatment: Percutaneous Pinning. Shoulder and Elbow Injuries in Athletes, 1^st edition.
3. Kennedy M, Aman ZS, Ziegler CG, LaPrade RF, Engebretsen L. Opening wedge distal femur osteotomy – Valgus knee. Submitted for publication in Knee Surgery: Tricks of the Trade.