Paper Session 1A: Ankle Arthritis
Moderators: Loretta B. Chou, MD, and Johnny T.C. Lau, MD, MSc

Does Severe Ankle Deformity Affect the Outcomes of a 4th Generation Total Ankle Prosthesis? A 2-year Follow-up
Christopher E. Gross, MD; David A. Friscia, MD; Jesse F. Doty, MD; Anand M. Vora, MD; Nicholas L. Strasser, MD

Stress Shielding and Aseptic Loosening in Fully Porous-Coated Versus Smooth Stemmed Tibial Implants in Total Ankle Arthroplasty
Cody J. Togher; Jacob M. Perkins; John M. Thompson; Christopher F. Hyer, DPM; Gregory C. Berlet, MD

Risk Factors for Early Mechanical Failure and Revision in Modern Total Ankle Replacements
Jensen K. Henry, MD; Lavan Rajan, BA; Robert Fuller; Jiaqi Zhu, MS; Elizabeth Cody, MD; Scott J. Ellis, MD; Jonathan T. Deland, MD; Constantine A. Demetracopoulos, MD

Trends and Utilization of Ankle Arthroplasty versus Arthrodesis in the State of New York, 2009-2018
Peter G. Brodeur, BS; Jacob M. Modest; Devin F. Walsh; Davis A. Hartnett, MD; Joseph A. Gil, MD; Aristides Cruz; Raymond Y. Hsu, MD

Comparison of the Clinical Outcomes and Complications of Simultaneous versus Staged Bilateral Total Ankle Arthroplasty: A Single-Center Comparative Cohort Study
Amanda N. Fletcher, MD, MS; Lindsey G. Johnson, MBA; Mark E. Easley, MD; James A. Nunley II, MD; James K. DeOrio, MD

Discussion

Paper Session 1B: Reconstruction
Moderators: James R. Holmes, MD, and Bruce E. Cohen, MD

The Use Of SPECT-CT To Define Treatment for Müller-Weiss Disease: A Prospective Radiographic and Clinical Study
Shuyuan Li, MD, PhD; Chengyi Sun, MS; Shuyuan Li, MD, PhD; Mingjie Zhu, DAOM, MPH; Mark S. Myerson, MD; Ming-Zhu Zhang, MD, PhD

Long-Term Follow-up of Hindfoot and Ankle Arthrodesis Procedures Supplemented with an Autologous Bone Graft Alternative (rhPDGF)
Mark A. Glazebrook, MD, MSc, PhD; Judith F. Baumhauer, MD, MS, MPH; Alastair S.E. Younger, MB ChB, ChM, FRCSC; Timothy R. Daniels, MD, FRCSC; Ashley Knight, PhD; David Fitch; Christopher W. DiGiovanni, MD

The Role of the Transverse Arch in Progressive Collapsing Foot Deformity (PCFD): A Retrospective Case Control Study
Eli Schmidt; Ki Chun Kim, MD; Kepler Carvalho, MD; Kevin N. Dibbern, PhD; Chris Cychosz, MD; Nacime S.B. Mansur, MD; Samuel Braza; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Anatomical and Radiological Description of the Spring Ligament Articular Facet (SLAF)
Lyndon W. Mason, MB BCh, MRCS(Eng), FRCS(TR&Orth), FRCS(Glasg); Sarang P. Kasture; Alpesh Mistry; Samantha Low; Andrew Fisher; Alistair P. Bond; Laura-Ann Lambert; Lara Jayatilaka, MD; Matthew Philpott; Lauren Fisher; Andrew P. Molloy, MB ChB, FRCS(Tr&Orth)

Discussion

Paper Session 2A: Forefoot
Moderators: Amiethab A. Aiyer, MD, and A. Holly Johnson, MD

ROGER A. MANN & IFFAS AWARD FINALIST
Minimally Invasive Chevron-Akin for Correction of Moderate and Severe Hallux Valgus Deformities
Kepler Carvalho, MD; Andre D. Baptista, MD; Samai Ferrarezi; Gustavo A. Nunes, MD; Nacime S.B. Mansur, MD; Cesar de Cesar Netto, MD, PhD; A. Holly Johnson, MD; Miki Dalmau-Pastor, PhD

Coronal Plane Rotation of the Medial Column in Hallux Valgus (HV), Progressive Collapsing Foot Deformity (PCFD), and Combined PCFD HV: A Retrospective Case Control Study
Matthieu Lalevée, MD; Hunter D. Briggs; Nacime S.B. Mansur, MD; Kepler Carvalho, MD; Eli Schmidt; Caleb J. Iehl, BS; Francois Lintz, MD, MSc, FEBOT; Andrew Behrens; Kevin N. Dibbern, PhD; Cesar de Cesar Netto, MD, PhD

Role of Lateral Soft Tissue Release in Percutaneous Hallux Valgus Surgery: A Systematic Review of the Literature
Alessio Bernasconi, MD, PhD, FEBOT; Antonio Izzo, MD; Salvatore Vallefuoco, MD; Morena A. Basso; Domenico Marasco, MD; Massimo Mariconda, MD; Francois Lintz, MD, MSc, FEBOT; Francesco Smeraglia, MD, PhD

Metatarsophalangeal and Metatarso-sesamoid Joint Interaction in Hallux Valgus Deformity: A Case-Control Study
Kepler Carvalho, MD; Kevin N. Dibbern, PhD; Lily G. McGettigan; Andrew Behrens; Nacime S.B. Mansur, MD; Emilio Wagner, MD; Pablo Wagner, MD; Caio A. Nery; Alexandre L. Godoy-Santos, MD; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Impact of Asymptomatic Flatfoot on Clinical and Radiographic Outcomes of the Modified Lapidus Procedure in Patients with Hallux Valgus
Lavan Rajan, BA; Jaeyoung Kim, MD; Tonya W. An, MD; Rami Mizher; Syian Srikumar, BS; Robert Fuller; Agnes D. Cororaton; Scott J. Ellis, MD

Discussion

Paper Session 2B: Basic Science
Moderators: Naomi N. Shields, MD, and Amgad M. Haleem Amin, MD, PhD

The Efficacy and Safety of Tranexamic Acid in Foot and Ankle Surgery: A Systematic Review and Meta-analysis
Motasem Salameh, MD; Ahmed K. Attia, MD; Raymond Y. Hsu, MD; Brad D. Blankenhorn, MD

A Systematic Review Comparing Bone Graft Harvest from the Iliac Crest, Tibia, and Calcaneus Donor Sites in Foot and Ankle Surgery
Jose M. Iturregui, MD; Alex M. Moses, MD; Glenn G. Shi, MD; Edward T. Haupt, MD

J. LEONARD GOLDNER AWARD FINALIST
Surgically Repairing Achilles Tendon Ruptures Restores Plantar Flexor Function Better Than Non-surgical Treatment in a Rat Model
My My Tang, BA; Natalie Fogarty, VMD; Courtney Nuss; Todd J. Hullfish, BS; Tejvir Khurana, MD, PhD; Josh R. Baxter, PhD

J. LEONARD GOLDNER AWARD FINALIST
Gene Transcription in End Stage Ankle Osteoarthritis Differs Markedly from Knee Arthritis and Non-arthritic Ankles
Sara E. Buckley, DO; Mary C. Hamati, MD; Michael A. Hewitt, BA; Cheryl L. Ackert-Bicknell, PhD; Michael J. Zuscik, PhD; Joshua A. Metzl, MD; Daniel K. Moon, MD, MS, MBA; Kenneth J. Hunt, MD

Vitamin D Status and Fracture Healing: A Systematic Review of 63 Studies
Priya K. Singh, MSc; Lucy O'Sullivan; Ashish Vankara; Micheal Raad; Amiethab A. Aiyer, MD

Discussion

Paper Session 3A: Trauma
Moderators: Eric M. Bluman, MD, PhD, and Stephen J. Pinney, MD

Syndesmotic Suture Button Fixation Results in Higher Tegner Activity Scale Scores when Compared to Screw Fixation: A Multicenter Investigation
Mitchel Obey; Kevin A. Schafer, MD; Lauren M. Matheny, MPH; Christopher McAndrew, MD; Michael J. Gardner, MD; William M. Ricci, MD; Thomas O. Clanton, MD; Jonathon D. Backus, MD

Portable Dynamic Ultrasonography Is a Useful Tool for the Evaluation of Suspected Syndesmotic Instability
Noortje Hagemeijer, MD; Bart Lubberts, MD, PhD; Jirawat Saengsin, MD; Rohan Bhimani, MD, MBA; Go Sato, MD; Gregory R. Waryasz, MD; Gino Kerkhoffs, MD; Christopher W. DiGiovanni, MD; Daniel Guss, MD, MBA

J. LEONARD GOLDNER AWARD FINALIST
Syndesmotic Malreduction Assessment Using Three-Dimensional Distance Mapping: A Cadaveric WBCT Study
Cesar de Cesar Netto, MD, PhD; John Y. Kwon, MD; Nacime S.B. Mansur, MD; Matthieu Lalevée, MD; Eli Schmidt; Ki Chun Kim, MD; Andrew Behrens, MD; Kepler Carvalho, MD; Kevin N. Dibbern, PhD

ROGER A. MANN AWARD FINALIST
Measuring Deltoid Insufficiency After Supination-External Rotation Ankle Fracture with Lateral Talar Subluxation on Gravity Stress View
Edward T. Haupt, MD; Jose M. Iturregui, MD; Ronnie Sebro; Rupert Stanborough; Glenn G. Shi, MD

MRI Findings in Patients with Discordant Results Between Gravity Test and Weight-Bearing Stress Views in Isolated Supination-External Rotation Fibular Fracture
Camilo Piga, MD; Felipe Turner; Valentina F. Herrera; Cristobal F. Del Pino; Gonzalo F. Bastias, MD; Jorge Filippi, MD, MBA

Discussion

Paper Session 3B: Potpourri
Moderators: Sergio Abello, MD, and Adam D. Bitterman, DO

Clinical Outcomes of Posterior Tibial Tendon Sheath Ultrasound-Guided Corticosteroid Injections
Mark Spencer; Matthew Hall; Allison Schafer, MD; Lauren E. Geaney, MD

Opioid Use for Operative Foot and Ankle Fractures: A Systematic Review
Daniel Badin, MD; Carlos D. Ortiz-Babilonia, BS; Arjun Gupta, BS; Christopher R. Leland, BS; Farah Musharbash; James M. Parrish, MD, MPH; Amiethab A. Aiyer, MD

Opiate Free Multimodal Pain Pathway in Elective Foot and Ankle Surgery: A Prospective Study
Rachel L. Glenn; Daniel J. Ross; J. Benjamin Jackson, MD; Tyler A. Gonzalez, MD, MBA

Posterior Ankle Impingement: It Is Not All About the Os Trigonum
Nacime S.B. Mansur, MD; John E. Femino, MD; Karthikeyan Chinnakkannu, MBBS, MS(Orth); Natalie Glass, PhD; Phinit Phisitkul, MD; Annunziato Amendola, MD

Discussion

Paper Session 4A: Ankle Arthritis
Moderators: Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth), and Harold B. Kitaoka, MD

Outcomes Following Total Talus Replacement: A Systematic Review
Albert T. Anastasio, MD; Lindsey G. Johnson, MBA; Amanda N. Fletcher, MD, MS; Stephanie Hendren, MLIS, AHIP; Samuel B. Adams Jr., MD

The Fall and Rise of Total Ankle Arthroplasty: A Database Analysis of Procedural Incidence Between 2009 and 2019
Anthony L. Karzon; Jason T. Bariteau, MD; Michelle M. Coleman, MD, PhD; Rishin J. Kadakia, MD; Joseph E. Jacobson, MD; Sameh A. Labib, MD

Validation of the Mayo Periprosthetic Joint Infection Risk Score for Total Ankle Arthroplasty
Lew C. Schon, MD; Bonnie Y. Chien, MD; Naudereh B. Noori, MD; Jonathan Day, MD; Zijun Zhang, PhD, MD

Management, Complications, and Radiographic Follow-up of Total Ankle Arthroplasty in the Setting of Talar Bone Loss
Canon C. Cornelius; Leslie A. Duncan; Alex Wetzig; Taggart T. Gauvain, MD; Michael C. Greaser, MD; William C. McGarvey, MD

Discussion

Paper Session 4B: Flat Foot
Moderators: Cesar de Cesar Netto, MD, PhD, and Scott J. Ellis, MD

J. LEONARD GOLDNER AWARD FINALIST
Passive Eversion Assessment for Progressive Collapsing Foot Deformity After Lateral Column Lengthening: A Cadaveric Biomechanical Study
Jaeyoung Kim, MD; Jeffrey W. Hoffman, MS; Scott J. Ellis, MD; Jonathan T. Deland, MD; Brett D. Steineman

ROGER A. MANN AWARD FINALIST
Chopart Peritalar Subluxation in Progressive Collapsing Foot Deformity Assessed by Three-Dimensional Coverage Maps
Andrew Behrens; Kevin N. Dibbern, PhD; Nacime S.B. Mansur, MD; Amanda Ehret; Nathan Chen; Hannah J. Stebral; Francois Lintz, MD, MSc, FEBOT; Alessio Bernasconi, MD, PhD, FEBOT; Donald D. Anderson; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Radiographic Cut-off Values for Predicting Lateral Bony Impingement in Progressive Collapsing Foot Deformity: A Correlation Analysis with Weightbearing Computed Tomography
Jaeyoung Kim, MD; Lavan Rajan, BA; Rami Mizher; Syian Srikumar, BS; Robert Fuller; Carolyn M. Sofka, MD; Constantine A. Demetracopoulos, MD; Scott J. Ellis, MD; Jonathan T. Deland, MD

Computational Modeling of Peritalar Joint Contact Mechanics in Flexible Flatfoot Deformity
Hamed Malakoutikhah, PhD(c); Erdogan Madenci, PhD; L. Daniel Latt, MD, PhD

Influence of Isolated and Combined Medial Displacement Calcaneal Osteotomy, Lateral Column Lengthening and Cotton Osteotomy in Three-Dimensional Foot Alignment: A Cadaveric Weightbearing CT Study
Ki Chun Kim, MD; Andrew Behrens; Samuel Braza; Amanda Ehret; Kepler Carvalho, MD; Nacime S.B. Mansur, MD; Kevin N. Dibbern, PhD; Scott J. Ellis, MD; Matthieu Lalevée, MD; Cesar de Cesar Netto, MD, PhD

Discussion

Paper Session 5A: Ankle Arthritis
Moderators: L. Daniel Latt, MD, PhD, and Michael M. Stephens, MD, MSc

Outcomes of Bone Graft for Periprosthetic Osteolysis After Total Ankle Arthroplasty
Yeokwon Yoon; Kwang Hwan Park, MD, PhD; Jae Han Park, MD; Seung Hwan Han, MD, PhD; Jin Woo Lee, MD, PhD

Patient-Reported Outcomes Following a Two-Stage Revision Total Ankle Arthroplasty for Chronic Periprosthetic Joint Infections
Matthew S. Conti, MD; Todd A. Irwin, MD; Samuel E. Ford, MD; Carroll P. Jones III, MD; Robert B. Anderson, MD; W. Hodges Davis, MD

A Cohort Study of Risk Factors for Failure of Total Ankle Replacements: A Data Linkage Study Using the National Joint Registry and NHS Digital
Toby Jennison; Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth); Ian T. Sharpe, MD

ROGER A. MANN & IFFAS AWARD FINALIST
Total Ankle Replacement Versus Arthrodesis (TARVA) Randomised Controlled Trial: 2 Year Results
Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth); Kashfia Chowdhury, MSc; Andrew P. Molloy, MB ChB, FRCS(Tr&Orth); Mark Bowen Davies, MD, FRACS(Orth); Steve Hepple, MB ChB; Rhys H. Thomas, MBBS, FRCS(Tr&Orth); Malik S. Siddique, FRCS(Tr&Orth); David T. Loveday, MBBS, FRCS(Tr&Orth); Sunil Dhar, MBBS, MS, MCh; Andrew J. Bing; Timothy Clough, FRCS(Tr&Orth); Stephen P. Bendall, MBBS, FRCS(Orth); Mark Rogers, FRCS(Tr&Orth); Stephen Milner, FRCS(Tr&Orth); Viren Mishra, FRCS(Tr&Orth); Michael Butler, FRCS(Tr&Orth); Paul Halliwell, FRCS(Tr&Orth); David N. Townshend, MBBS, FRCS(Tr&Orth); on behalf of the TARVA Study Group

Total Talus Replacement: A Systematic Review of the Literature
Toby Jennison; James S. Dalgleish; Mark Davies; Ian T. Sharpe, MD; Andrew J. Goldberg, OBE, MD, FRCS(Tr&Orth)

Discussion

Paper Session 5B: Outcomes Database
Moderators: Judith F. Baumhauer, MD, MS, MPH, and Michael S. Aronow, MD

Can We Utilize PROMIS Neuropathic Pain Quality for Assessment of Neuropathic Heel Pain?
Peter Joo, BS; Samantha Hoffman; Judith F. Baumhauer, MD, MS, MPH; Irvin Oh, MD

ROGER A. MANN AWARD FINALIST
Orthopaedic Foot and Ankle Post-operative Outcomes: The University of Colorado Orthopaedic Surgery Monitoring of Outcomes System (U-COSMOS)
Kenneth J. Hunt, MD; Michael A. Hewitt, BA; Shayne York; Sara E. Buckley, DO; Joshua A. Metzl, MD; Daniel K. Moon, MD, MS, MBA; Courtney Grimsrud, MD

The OFAR Experiment: Barriers, Lessons, and Findings from an Orthopedic Patient Outcomes Database
Kenneth J. Hunt, MD; Ross A. Benthien, MD, MPH; L. Daniel Latt, MD, PhD; Daniel Guss, MD, MBA; Christopher W. DiGiovanni, MD; Michael A. Hewitt, BA; Patrick Carry; Judith F. Baumhauer, MD, MS, MPH; OFAR Network

The Effects of Sociodemographic Factors on Variation in Baseline Patient Reported Outcome Measures in Foot and Ankle Patients
Lorraine A. Boakye, MD; Emily B. Parker; Elizabeth A. Martin, MD; Christopher P. Chiodo, MD; Eric M. Bluman, MD, PhD; Jeremy T. Smith, MD

Postoperative Pain in Outpatient Orthopedic Foot and Ankle Trauma Surgery Patients
Frederic J. Washburn, DO; Emily S. Benson; Damayea Hargett; Emerald Chiang

Discussion

Paper Session 6A: Trauma Moderators: Jason T. Bariteau, MD, and Joseph S. Park, MD

Predisposing Factors for Posttraumatic Osteoarthritis After Operation for Malleolus Fracture in Patients Aged 50 Years or Less with a Minimum Follow-up of 5 Years
Sung Hyun Lee, MD; Byung min Yoo; Choi Youngchae, MD; Kang Sung-ju, MD

Comparative Risk Stratification for Prediction of Early Postoperative Morbidity and Mortality After Open Fixation of Periarticular Lower Extremity Fractures
Amy L. Xu, BS; Micheal Raad; Rachel B. Sotsky; Alice J. Hughes; Amiethab A. Aiyer, MD

Computed Tomography Scan versus Saline Load Test in the Detection of Traumatic Arthrotomies of the Ankle: A Cadaveric Study
Rohan A. Gheewala, MD; Akshay Lakra; Benjamin Villacres Mori; Jeremy D. Carroll; Michael Mulligan

Presence of Anemia and Its Severity Is Associated with Worse Outcomes Following Open Reduction Internal Fixation of Ankle Fractures
Carlos D. Ortiz-Babilonia, BS; Daniel Badin, MD; Arjun Gupta, BS; Amiethab A. Aiyer, MD

Defining Operative Indications in Lisfranc Injuries
Christian Pearsall; Henrik C. Bäcker; Direk Tantigate; David P. Trofa; J. Turner Vosseller, MD

Discussion

Paper Session 6B: VTE
Moderators: Thomas I. Sherman, MD, and James E.W. Meeker, MD

Correlation of Statins Use with the Incidence of Venous Thromboembolism in Patients with Ankle Fracture
Nour Nassour, MD; Bardiya Akhbari; Noopur Ranganathan; David Shin; Gregory R. Waryasz, MD; Christopher W. DiGiovanni, MD; Daniel Guss, MD, MBA; Hamid Ghaednia; Soheil Ashkani-Esfahani, MD

Incidence of Venous Thromboembolism Following TAA: Does Chemoprophylaxis Work?
Brandon J. Martinazzi, BS; Hannah Nam; Kelly Dopke; Kirsten N. Mansfield; Zachary Koroneos, BS; Anna Ptasinski; Kristen Manto, PhD; Gregory Kirchner; Michael C. Aynardi, MD

Venous Thromboembolism in Foot and Ankle Surgery: How Common Is it?
Brandon J. Martinazzi, BS; Hannah Nam; Kirsten N. Mansfield; Kelly Dopke; Anna Ptasinski; Gregory Kirchner; Kristen Manto, PhD; Michael C. Aynardi, MD

Routine Postoperative Aspirin for VTE Chemoprophylaxis in Primary Total Ankle Arthroplasty
Alexander J. Adams; Amir R. Kachooei, MD; Joseph Paladino; Clarissa Whiting, BS; Maggie Denbleyker, BS; Daniel Corr, BS; Steven M. Raikin, MD; David I. Pedowitz, MD, MS

Prediction of Venous Thromboembolism After Ankle Fractures Using Machine Learning: To Give Prophylaxis or Not to Give, That Is the Question
Nour Nassour, MD; Bardiya Akhbari; Noopur Ranganathan; David Shin; Gregory R. Waryasz, MD; Bart Lubberts, MD, PhD; Christopher W. DiGiovanni, MD; Joseph Schwab; Hamid Ghaednia; Soheil Ashkani-Esfahani, MD; Daniel Guss, MD, MBA

Discussion

Paper Session 7A: Forefoot
Moderators: Christopher E. Gross, MD, and Ashish Shah, MD

Treatment of Hallux Rigidus: Comparison of Hemiarthroplasty with Cartiva Implant, Allograft Interpositional Arthroplasty, and Arthrodesis
Ryan Sanii, MPH; Kevin Phan, MD; Drew B. Krumm; Daniel J. Patton, MD; Tyler Madden; John G. Anderson, MD; John D. Maskill, MD; Donald R. Bohay, MD, FACS; Michelle A. Padley, MS; Cameron G. Patthanacharoenphon, MD

J. LEONARD GOLDNER AWARD FINALIST
Vascular Supply to the Proximal Plantar Plate of Lesser Toe Metatarsophalangeal Joint Is Primarily Supplied by the Attachment to the Metatarsal: A Nano-CT Microvasculature Study
Jiwon V. Park; Fred T. Finney, MD; Natalie Singer, MD; Noah Saunders; Kempland C. Walley; James R. Holmes, MD; David M. Walton, MD; Paul G. Talusan, MD

Outcomes of PIPA/DIPA with Retrograde Screw Fixation for Correction of Lesser Toe Deformities
Charles C. Pitts, MD; Rasikh N. Hamid; Todd A. Irwin, MD; Carroll P. Jones III, MD

Minimally Invasive Chevron Akin (MICA) Osteotomy for Severe Hallux Valgus
Kepler Carvalho, MD; Gustavo A. Nunes, MD; Gabriel F. Ferraz, MD; Miguel V. Pereira Filho, MD; Roberto Zambelli de A. Pinto, MD

Distribution, Prevalence, and Impact on the Metatarsosesamoid Complex of First Metatarsal Pronation in Hallux Valgus
Matthieu Lalevée, MD; Kepler Carvalho, MD; Nacime S.B. Mansur, MD; Ki Chun Kim, MD; Eli Schmidt; Lily G. McGettigan; Alexandre L. Godoy-Santos, MD; Francois Lintz, MD, MSc, FEBOT; Mark E. Easley, MD; Cesar de Cesar Netto, MD, PhD

Discussion

Paper Session 7B: Achilles
Moderators: Vinod K. Panchbhavi, MD, and Bryan D. Den Hartog, MD

What Is the Best Evidence to Guide Management of Acute Achilles Tendon Ruptures? A Systematic Review and Network Meta-Analysis of Randomized Controlled Trials
Brad Meulenkamp, MD; Taylor Woolnough, MD; Wei Cheng; Dawn Stacey; Megan Richards, MD, FRCSC; Arnav Gupta; Dean Fergusson; Ian D. Graham

A Systematic Review of Extracorporeal Shock Wave Therapy (ESWT) for Insertional and Non-Insertional Achilles Tendinopathy
Matthew B. Weiss, BS.; Mohammad T. Azam, BS; Nathan Jia; Hugo A. Ubillus, MD; Mehreen A. Pasha; George Jejelava; John G. Kennedy, MD, FRCS(Orth)

Surgical Management of Chronic Achilles Tendon Rupture: A Systematic Review and Proposed Treatment Algorithm
Hugo A. Ubillus, MD; Mohammad T. Azam, BS; Matthew B. Weiss, BS.; Noah Kirschner; Nathaniel P. Mercer, MS; James J. Butler; John G. Kennedy, MD, FRCS(Orth)

Achilles Tendon Loading During Walking Differs Between Commonly Used Immobilizing Boots
Josh R. Baxter, PhD; Todd J. Hullfish; Daniel C. Farber, MD; Casey J. Humbyrd, MD, MBE

The Pathologic Achilles Insertion Angle (PAIA): A Novel Angular Measurement to Guide Both Evaluation and Treatment of Insertional Achilles Tendinopathy
Shuyuan Li, MD, PhD; Wanjun Gu, BS, BA; Mingjie Zhu, DAOM, MPH; Melissa L. Carpenter, BS; Kenneth J. Hunt, MD; Mark S. Myerson, MD

Discussion