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Associate Professor of Orthopaedic Surgery

Foot & Ankle Surgery

Medical Degree

University of North Carolina at Chapel Hill

Masters in Public Health

University of North Carolina at Chapel Hill, Gillings School of Public Health


Orthopaedic Surgery, University of North Carolina, Chapel Hill


Orthopaedic Foot and Ankle Surgery, University of Iowa Hospitals and Clinics Department of Orthopaedics and Rehabilitation

Associate Professor of Orthopaedic Surgery, University of North Carolina, Chapel Hill

  • Bunion and hammertoe correction
  • Total ankle arthroplasty
  • Arthroscopically assisted ankle and hindfoot fusion
  • Deformity correction and limb salvage
  • Open and minimally invasive approaches fracture fixation
  • Arthroscopy, endoscopy, and tendoscopy of the ankle, hindfoot, and forefoot for evaluation and treatment of intra-articular and soft tissue pathology
  • Percutaneous Achilles tendon repair
  • Current approaches to soft tissue problems, including diabetes

UNC Orthopaedics (Weaver Crossing)
1181 Weaver Dairy Road
Suite 110
Chapel Hill, NC 27514

  • Healthcare outcomes reporting
  • Cost effectiveness and value analysis
  • Information technology
  • Trauma
  • Ankle and foot arthritis
  • Bunion and hammertoe correction
  • Techniques in arthroscopy and endoscopy

Paranjape CS, Lalli T, Tennant JN. 2022. Are outcomes following crossed lag-screw modified lapidus technique for hallux abductovalgus comparable to plate-screw fixation technique? a study of costs, radiographic and patient reported outcomes. Foot Ankle Orthop. 7(1):2473011421S00387. 

 Padovano AG, Lalli T, Tennant JN, Martin KD, Santrock RD. 2022. The triplanar hallux abductor valgus classification system: is it valid? Foot Ankle Orthop. 7(1):2473011421S00384. Doi: 10.1177/2473011421S00384. 

 Padovano AG, Lalli T, Tennant JN, Martin KD, Santrock RD. 2022. The triplanar hallux abductor valgus classification system: is it valid? Foot Ankle Orthop. 7(1):2473011421S00384. Doi:10.1177/2473011421S00384. 

 Song K, Pietrosimone B, Blackburn JT, Padua DA, Tennant JN, Wikstrom EA. 2021. Acute talar cartilage deformation in those with and without chronic ankle instability. Med Sci Sports Exerc, 1;53(6):1228-1234. Doi: 10.1249/mss.0000000000002572. 

Song K, Pietrosimone B, Tennant JN, Nissman DB, Dederer KM, Paranjape C, Wikstrom EA. 2021. Talar and Subtalar T1ρ Relaxation Times in Limbs with and without Chronic Ankle Instability.  Cartilage, 15;150:111342. Doi: 10.1016/j.exger.2021.111342. epub 2021 April 7. 

Song K, Wikstrom EA, Tennant JN, Guskiewicz KM, Marshall SW, Kerr ZY. 2019. Osteoarthritis prevalence in retired national football league players with a history of ankle injuries. J Athl Train, 54(11):1165-1170.  

Dederer KM, Tennant JN. 2019. Anatomical and functional considerations in achilles tendon lesions. Foot Ankle Clin, 24(3);371-385. 

Wikstrom EA, Song K, Tennant JN, Dederer KM, Paranjape C, Pietrosimone B. 2019. T1p MRI of the talar articular cartilage is increased in those with chronic ankle instability. Osteoarthritis Cartilage. 27(4):646-649. doi: 10.1016/j.joca.2018.12.019. 

Casp AJ, Patterson BM, Yarboro SR, Tennant JN. 2018. The effect of time during the academic year or resident training level on complication rates after lower-extremity orthopaedic trauma procedures. J Bone Joint Surg Am. 100(22):1919-1925. doi 10.2106/JBJS.18.00279. 

Haddix KP, Clement RC 3rd, Tennant JN, Ostrum RF. 2018. Complications following operatively treated ankle fractures in insulin- and non-insulin-dependent diabetic patients. Foot Ankle Spec. 1:1938640017714867.  

Jernigan EW, Tennant JN, Esther RJ. 2018. Not all patients undergoing stabilization of impending pathologic fractures for renal cell carcinoma metastases to the femur need preoperative embolization. Clin Orthop Relat Res. 476(3):529-534.  

Rungprai C, Tennant JN, Gentry RD, Phisitkul P. 2017. Management of osteochondral lesions of the talar dome. Open Orthop J. 11:743-761.   

Clement RC, Lang PJ, Pettett BJ, Overman RA, Ostrum RF, Tennant JN. 2017. Sanders II/III calcaneus fractures in laborers: a cost-effectiveness analysis and call for effectiveness research. J Ortho Trauma. 31(6):299-304.  

Patterson BM, Eskildsen SM, Clement RC, Lin FC, Olcott CW, Del Gaizo DJ, Tennant JN. 2016. Patient satisfaction is associated with time with provider but not clinic wait time among orthopedic patients. Ortho. 40(1):43-48. doi: 10.3928/01477447-20161013-05. 

Veljkovic A, Tennant J, Rungprai C, Abbas KZ, Phisitkul P. 2017. An anatomic study of percutaneous endoscopically assisted calcaneal osteotomy technique to correct hindfoot malalignment. Foot Ankle Int. 38(2):192-199. 

Avery M, Tennant J. 2016. Surgeons become cinematographers: options for producing intraoperative, high-definition education videos.  AAOSNow. 10(11):6-7. 

Clement RC, Haddix KP, Creighton RA, Spang JT, Tennant JN, Kamath GV. 2016. Risk factors for infection after knee arthroscopy: analysis of 595,083 cases from 3 United States databases. Arthroscopy. 32(12):2556-256.  

Goetz JE, Rungrai C, Tennant JN, Huber E, Uribe B, Femino J, Phisitkul P, Amendola A. 2016. Variable volumes of resected bone resulting from different total ankle arthroplasty systems. Foot Ankle Int. 37(8):898-904.  

Rungprai C, Tennant JN, Phisitkul P. 2015. Disorders of the flexor hallucis longus and os trigonum. Clin Sports Med. 34(4): 741-59.  

Clement RC, Eskildsen SM, Tennant JN. 2015. Technical tip and cost analysis for lesser toe plantar plate Repair with curved suture needle. Foot Ankle Int. 36(3): 330-4. 

Tennant JN, Amendola A, Phisitkul P. 2014. Endoscopic gastrocnemius release.  Foot Ankle Clin. 19(4): 787-93.  

Tennant JN, Rungprai C, Phisitkul P. 2014. Bilateral anterior tarsal tunnel syndrome variant secondary to extensor hallucis brevis muscle hypertrophy in a ballet dancer: A case report.  Foot Ankle Surg. 20(4): e56-e58.  

Tennant JN, Carmont M, Phisitkul P. 2014. Calcaneus osteotomy. Curr Rev Musculoskeletal Med. 7(4): 271-276.  

Tennant JN, Rungprai C, Pizzimenti MA, Goetz J, Phisitkul P, Femino J, Amendola A. 2014. Risks to the blood supply of the talus after four methods of total ankle arthroplasty: A cadaveric injection study. J Bone Joint Surg. 96(5): 359-402.  

 Phisitkul P, Tennant JN, Amendola A. 2013. Is there any value to arthroscopic debridement of ankle osteoarthritis and impingement?  Foot and Ankle Clinics. 18(3): 449-58.   

 Tennant JN, Veljkovic A, Phisitkul P. 2013. Technique tip. Percutaneous endoscopically assisted calcaneal slide osteotomy.  Iowa Orthop J. 33: 191-5. PMID: 24027482 

 Tennant JN, Shankar V, Dirschl DR. 2013. Reliability and validity of a mobile phone for radiographic assessment of ankle injuries: a randomized inter- and intraobserver agreement study. Foot Ankle Int. 34(2): 228-33.  

 Bushnell BD, Tennant JN, Rubright JH, Creighton RA. 2008. Repair of patellar tendon rupture using suture anchors. J Knee Surg. 21(2): 122-9.  

  • AAOS Annual Meeting Top 5 Foot and Ankle Paper “Risks to the Blood Supply of the Talus after Four Methods of Total Ankle Arthroplasty: A Cadaveric Injection Study” (2014)
  • AOFAS Annual Meeting First Place Roster for “Risks to the Blood Supply of the Talus after Four Methods of Total Ankle Arthroplasty: A Cadaveric Injection Study” (2013)
  • UNC Orthopaedics Chief Resident Research Award (2012)
  • UNC Orthopaedics William C. Patton Chief Resident Teaching Award (2012)
  • UNC Injury Prevention Research Center Small Student Grant (2010)
  • Gaul Scholar, Medical Alumni Loyalty Association (2002-2007)
  • Carolina Scholar (1998-2002)
  • Trans-Atlantic Science Student Exchange Program (2000-2001)

Phone: (984) 974-5700
Referral Fax: (919) 966-7956

Provider Office:
Phone: (919) 966-9446
Fax: (919) 966-6730


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