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Seth C. Gamradt, MD
Associate Professor of Clinical Orthopaedic Surgery
Director, Orthopaedic Athletic Medicine
Orthopaedic Surgery
HCT 1520 San Pablo Street Health Sciences Campus Los Angeles
+1 323 442 5860


Dr. Seth Gamradt is a specialist in the field of orthopaedic surgery and sports medicine at the Keck Medical Center of USC. Dr. Gamradt is the Director of Orthopaedic Athletic Medicine for USC Athletics. Dr. Gamradt’s practice has an emphasis on arthroscopic shoulder surgery; arthroscopic knee surgery and ligament reconstruction (ACL surgery); shoulder replacement; and elbow arthroscopy/ligament reconstruction. He has a special interest in caring for athletes of all ages and is a team physician for the USC Trojans. Dr. Gamradt is also a team physician for United States Women’s Soccer. A native of Minnesota, Dr. Gamradt attended college at Pepperdine University where he graduated Magna Cum Laude. Dr. Gamradt then graduated with honors from Weill Cornell Medical College in New York City. He completed his residency training in Orthopaedic Surgery at UCLA during which he completed a one-year research fellowship. After residency, Dr. Gamradt completed a sports medicine and shoulder surgery fellowship at the top-ranked Hospital for Special Surgery in New York City. During fellowship, Dr. Gamradt was an assistant team physician to the New York Giants football team. Prior to his appointment at USC, Dr. Gamradt spent many years as a team physician and orthopaedic surgeon at UCLA. Dr. Gamradt is part of the exclusive international association comprised of shoulder and elbow surgeons: The American Shoulder and Elbow Surgeons. He is one of the “Top Doctors” as ranked by US News and World Report. Dr. Gamradt has been involved in both clinical and laboratory research for over 10 years and is the author of numerous peer-reviewed research articles, book chapters, and presentations. Dr. Gamradt is on the editorial board of the journal: Techniques in Shoulder and Elbow Surgery and The Journal of Bone and Joint Surgery Sports Medicine Highlights.


Los Angeles Magazine: Super Doctor, 2016

Castle Connolly: America's Top Doctors, 2016

America’s Top Doctor’s Award

Sports Health : David T. Sisk Award for Best Original Research, 2015

ACESS: Elected to Association of Clinical Elbow and Shoulder Surgeons , 2014

American Shoulder and Elbow Surgeons : Elected to American Shoulder and Elbow Surgeons , 2014


Using Small Intestine Submucosa to Augment Repair of Moderate to Large Rotator Cuff Tears Did Not Reduce Repair Failures. J Bone Joint Surg Am. 2017 May 17; 99(10):884. View in: PubMed

Femoral Fracture Following Acute Trauma in a Female Collegiate Swimmer. J Orthop Sports Phys Ther. 2016 Nov; 46(11):1010. View in: PubMed

Direct Cost Analysis of Outpatient Arthroscopic Rotator Cuff Repair in Medicare and Non-Medicare Populations. Orthop J Sports Med. 2016 Oct; 4(10):2325967116668829. View in: PubMed

Epidemiology of Operative Procedures in an NCAA Division I Football Team Over 10 Seasons. Orthop J Sports Med. 2016 Jul; 4(7):2325967116657530. View in: PubMed

Factors predicting complication and reoperation rates following surgical fixation of proximal humeral fractures. J Bone Joint Surg Am. 2014 Sep 17; 96(18):1544-51. View in: PubMed

Prevalence of Abnormal Vitamin D Levels Among Division I NCAA Athletes. Sports Health. 2014 Jul; 6(4):340-7. View in: PubMed

Arthroscopic versus open shoulder stabilization: current practice patterns in the United States. Arthroscopy. 2014 Apr; 30(4):436-43. View in: PubMed

Analysis of rotator cuff repair trends in a large private insurance population. Arthroscopy. 2013 Apr; 29(4):623-9. View in: PubMed

Failed rotator cuff surgery, evaluation and decision making. Clin Sports Med. 2012 Oct; 31(4):693-712. View in: PubMed

Complications of arthroscopic meniscectomy in the older population. Am J Sports Med. 2012 Jun; 40(6):1402-5. View in: PubMed

Demographic trends in arthroscopic SLAP repair in the United States. Am J Sports Med. 2012 May; 40(5):1144-7. View in: PubMed

Contrast-enhanced ultrasound characterization of the vascularity of the repaired rotator cuff tendon: short-term and intermediate-term follow-up. J Shoulder Elbow Surg. 2012 May; 21(5):597-603. View in: PubMed

Shoulder function and pain level after revision of failed reverse shoulder replacement to hemiarthroplasty. Int J Shoulder Surg. 2012 Apr; 6(2):29-35. View in: PubMed

Biologic augmentation of rotator cuff repair. Curr Rev Musculoskelet Med. 2011 Dec; 4(4):221-30. View in: PubMed

Contrast-enhanced sonographic characterization of the vascularity of the repaired rotator cuff: utility of maximum intensity projection imaging. J Ultrasound Med. 2011 Aug; 30(8):1103-9. View in: PubMed

Instability after reverse total shoulder replacement. J Shoulder Elbow Surg. 2011 Jun; 20(4):584-90. View in: PubMed

Static and dynamic gait parameters before and after multilevel soft tissue surgery in ambulating children with cerebral palsy. J Pediatr Orthop. 2010 Mar; 30(2):174-9. View in: PubMed

Vascularity of the supraspinatus tendon three months after repair: characterization using contrast-enhanced ultrasound. J Shoulder Elbow Surg. 2010 Jan; 19(1):73-80. View in: PubMed

Nonoperative treatment for proximal avulsion of the rectus femoris in professional American football. Am J Sports Med. 2009 Jul; 37(7):1370-4. View in: PubMed

Effect of turf toe on foot contact pressures in professional American football players. Foot Ankle Int. 2009 May; 30(5):405-9. View in: PubMed

Arthroscopic intratendinous repair of the delaminated partial-thickness rotator cuff tear in overhead athletes. Arthroscopy. 2008 Aug; 24(8):961-5. View in: PubMed

The diagnosis and management of psoriatic arthritis in a professional football player presenting with a knee effusion: a case report. Clin J Sport Med. 2008 Jul; 18(4):369-71. View in: PubMed

Kidney injuries in professional American football: implications for management of an athlete with 1 functioning kidney. Am J Sports Med. 2008 Jan; 36(1):85-90. View in: PubMed

Articular cartilage repair using a resorbable matrix scaffold. Instr Course Lect. 2008; 57:563-71. View in: PubMed

Incidental findings in cerebral imaging: arachnoid cyst in a professional football player. Clin J Sport Med. 2008 Jan; 18(1):97-9. View in: PubMed

Health-related quality of life outcomes improve after multilevel surgery in ambulatory children with cerebral palsy. J Pediatr Orthop. 2007 Sep; 27(6):653-7. View in: PubMed

Tracking expression of virally mediated BMP-2 in gene therapy for bone repair. Clin Orthop Relat Res. 2006 Sep; 450:238-45. View in: PubMed

The effects of short-term stimulation on fibroblast spreading in an in vitro 3D system. J Biomed Mater Res A. 2006 Mar 15; 76(4):665-73. View in: PubMed

Overexpression of noggin inhibits BMP-mediated growth of osteolytic prostate cancer lesions. Bone. 2006 Feb; 38(2):154-66. View in: PubMed

Influence of BMPs on the formation of osteoblastic lesions in metastatic prostate cancer. J Bone Miner Res. 2005 Dec; 20(12):2189-99. View in: PubMed

The effects of RANK blockade and osteoclast depletion in a model of pure osteoblastic prostate cancer metastasis in bone. J Orthop Res. 2005 Nov; 23(6):1475-83. View in: PubMed

Lentivirus-mediated gene transfer induces long-term transgene expression of BMP-2 in vitro and new bone formation in vivo. Mol Ther. 2005 Mar; 11(3):390-8. View in: PubMed

The effect of cyclooxygenase-2 (COX-2) inhibition on human prostate cancer induced osteoblastic and osteolytic lesions in bone. Anticancer Res. 2005 Jan-Feb; 25(1A):107-15. View in: PubMed

Lumbar disc arthroplasty. Spine J. 2005 Jan-Feb; 5(1):95-103. View in: PubMed

Effects of the proteasome inhibitor bortezomib on osteolytic human prostate cancer cell metastases. Prostate Cancer Prostatic Dis. 2005; 8(4):327-34. View in: PubMed

Genetic modification of stem cells to enhance bone repair. Ann Biomed Eng. 2004 Jan; 32(1):136-47. View in: PubMed

Bone graft for revision hip arthroplasty: biology and future applications. Clin Orthop Relat Res. 2003 Dec; (417):183-94. View in: PubMed

Perioperative complications of threaded cylindrical lumbar interbody fusion devices: anterior versus posterior approach. J Spinal Disord Tech. 2003 Dec; 16(6):502-7. View in: PubMed

Systemic corticosteroids inhibit bone healing in a rabbit ulnar osteotomy model. Acta Orthop Scand. 2000 Jun; 71(3):316-21. View in: PubMed

Parathyroid hormone-related protein analog RS-66271 is an effective therapy for impaired bone healing in rabbits on corticosteroid therapy. Bone. 2000 May; 26(5):437-42. View in: PubMed

Generation of melanoma-specific cytotoxic T lymphocytes by dendritic cells transduced with a MART-1 adenovirus. J Immunol. 1998 Nov 15; 161(10):5607-13. View in: PubMed

Impact of chaparral wildfire-induced sedimentation on oviposition of stream-breeding California newts (Taricha torosa). Oecologia. 1997 May; 110(4):546-549. View in: PubMed

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