1. Leadership: Leadership Lessons from History and Stoicism

   • Todd J. Albert

   Editorial 30 December 2019 Pages: 187 - 190

2. Biomechanics of Prophylactic Tethering for Proximal Junctional Kyphosis: Characterization of Spinous Process Tether Pretensioning and Pull-Out Force

   • Damon E. Mar
   • Steven J. Clary
   • Terence E. McIff

   Biomechanics 30 December 2019 Pages: 191 - 196

3. Biomechanics of Prophylactic Tethering for Proximal Junctional Kyphosis: Comparison of Posterior Tether Looping Techniques

   • Damon E. Mar
   • Douglas C. Burton
   • Terence E. McIff

   OriginalPaper 30 December 2019 Pages: 197 - 202

4. Preclinical Bench Testing on a Novel Posterior Dynamic Deformity Correction Device for Scoliosis

   • U. Arnin
   • R. El-Hawary
   • Y. Floman

   OriginalPaper 30 December 2019 Pages: 203 - 212

5. Creation of a Porcine Kyphotic Model

   • Richard H. Gross
   • Yongren Wu
   • Hai Yao

   Basic Science 30 December 2019 Pages: 213 - 219

6. The Ecuador Pediatric Spine Deformity Surgery Program: An SRS-GOP Site, 2008–2016

   • Amanda N. Fletcher
   • Richard M. Schwend

   Case Series 30 December 2019 Pages: 220 - 227

7. Improving Complex Pediatric and Adult Spine Care While Embracing the Value Equation

   • Rajiv K. Sethi
   • Vijay Yanamadala
   • Michael Vitale

   OriginalPaper 30 December 2019 Pages: 228 - 235

8. Global Sagittal Alignment and Proximal Junctional Kyphosis in Adolescent Idiopathic Scoliosis

   • Abdulmajeed Alzakri
   • Claudio Vergari
   • Ibrahim Obeid

   OriginalPaper 30 December 2019 Pages: 236 - 244

9. How to Optimize Axial Correction Without Altering Thoracic Sagittal Alignment in Hybrid Constructs With Sublaminar Bands: Description of the “Frame” Technique

   • Brice Ilharreborde
   • Anne Laure Simon
   • Keyvan Mazda

   OriginalPaper 30 December 2019 Pages: 245 - 253

10. Spine and Lower Extremity Kinematics Exhibited During Running by Adolescent Idiopathic Scoliosis Patients With Spinal Fusion

    • Rumit Singh Kakar
    • Yumeng Li
    • Kathy J. Simpson

    OriginalPaper 30 December 2019 Pages: 254 - 261

11. Patients With Idiopathic Scoliosis Run an Increased Risk of Schizophrenia

    • Marcus Malmqvist
    • Hans Tropp
    • Rene Marten Castelein

    OriginalPaper 30 December 2019 Pages: 262 - 266

12. Midterm Results of Hemivertebrae Resection and Transpedicular Short Fusion in Patients Younger Than 5 Years: How Do Thoracolumbar and Lumbosacral Curves Compare?

    • Jose Miguel Sánchez-Márquez
    • Javier Pizones
    • Francisco Javier Pérez-Grueso

    OriginalPaper 30 December 2019 Pages: 267 - 274

13. Surgical Treatment of Developmental Spondylolisthesis: Contemporary Series With a Two-Surgeon Team

    • David G. Deckey
    • Leslie A. Kalish
    • M. Timothy Hresko

    OriginalPaper 30 December 2019 Pages: 275 - 285

14. Anatomic Trajectory for Iliac Screw Placement in Pediatric Scoliosis and Spondylolisthesis: An Alternative to S2-Alar Iliac Portal

    • Subaraman Ramchandran
    • Stephen George
    • Harry Shufflebarger

    OriginalPaper 30 December 2019 Pages: 286 - 292

15. Self-Image and Health-Related Quality of Life Three Decades After Fusion In Situ for High-Grade Isthmic Spondylolisthesis

    • Anders Joelson
    • Elias Diarbakerli
    • Karin Frennered

    OriginalPaper 30 December 2019 Pages: 293 - 297

16. Clinical Manifestations and Surgical Management of Spinal Lesions in Patients With Mucopolysaccharidosis: A Report of 52 Cases

    • Rodrigo G. Remondino
    • Carlos A. Tello
    • Lucas Piantoni

    Case Series 30 December 2019 Pages: 298 - 303

17. Surgeon and Caregiver Agreement on the Goals and Indications for Scoliosis Surgery in Children With Cerebral Palsy

    • Alexander J. Adams
    • Christian A. Refakis
    • Patrick J. Cahill

    OriginalPaper 30 December 2019 Pages: 304 - 311

18. Moderate Interrater and Substantial Intrarater Reproducibility of the Roussouly Classification System in Patients With Adult Spinal Deformity

    • Tanvir Johanning Bari
    • Dennis Winge Hallager
    • Martin Gehrchen

    Case Series 30 December 2019 Pages: 312 - 318

19. The Prevalence of the Use of MIS Techniques in the Treatment of Adult Spinal Deformity (ASD) Amongst Members of the Scoliosis Research Society (SRS) in 2016

    • Neel Anand
    • Aniruddh Agrawal
    • Shu-Hua Yang

    OriginalPaper 30 December 2019 Pages: 319 - 324

20. Measurement of Spinopelvic Angles on Prone Intraoperative Long-Cassette Lateral Radiographs Predicts Postoperative Standing Global Alignment in Adult Spinal Deformity Surgery

    • Jonathan H. Oren
    • Jared C. Tishelman
    • Themistocles S. Protopsaltis

    OriginalPaper 30 December 2019 Pages: 325 - 330

21. Ability of the Global Alignment and Proportion Score to Predict Mechanical Failure Following Adult Spinal Deformity Surgery—Validation in 149 Patients With Two-Year Follow-up

    • Tanvir Johanning Bari
    • Søren Ohrt-Nissen
    • Martin Gehrchen

    OriginalPaper 30 December 2019 Pages: 331 - 337

22. Transpedicular Wedge Resection Osteotomy of the Apical Vertebrae for the Treatment of Severe and Rigid Thoracic Kyphoscoliosis: A Retrospective Study of 26 Cases

    • Wenbin Hua
    • Yukun Zhang
    • Cao Yang

    OriginalPaper 30 December 2019 Pages: 338 - 345

23. Short Lumbosacral Decompression Plus Fixation Does Not Change the Spinopelvic Balance on Patients With Moderate Degenerative Spondylolisthesis and Associated Spinal Stenosis

    • Panagiotis Korovessis
    • Vasileios Syrimpeis
    • Vasileios Tsekouras

    OriginalPaper 30 December 2019 Pages: 346 - 355

24. Does Preserving or Restoring Lumbar Lordosis Have an Impact on Functional Outcomes in Tuberculosis of the Lumbosacral Region?

    • Ajoy Prasad Shetty
    • Aju Bosco
    • Rishi Mugesh Kanna

    OriginalPaper 30 December 2019 Pages: 356 - 363

25. Comparison of Sacral-Alar-Iliac and Iliac-Only Methods of Pelvic Fixation in Early-Onset Scoliosis at 5.8 Years’ Mean Follow-up

    • Ethan Cottrill
    • Adam Margalit
    • Paul D. Sponseller

    OriginalPaper 30 December 2019 Pages: 364 - 370

26. Superior Extension of Upper Instrumented Vertebrae in Distraction-based Surgery: A Surrogate for Clinically Significant Proximal Junctional Kyphosis

    • Nadim Joukhadar
    • Ozren Kubat
    • Ron El-Hawary

    OriginalPaper 30 December 2019 Pages: 371 - 375

27. Erratum to Management of Cervical Instability as a Complication of Neurofibromatosis Type 1 in Children: A Historical Perspective With a 40-Year Experience [Spine Deformity 6 (2018) 719–729]

    • Alvin H. Crawford
    • Hono Caus Gr
    • Francesco T. Mangano

    Erratum 30 December 2019 Pages: 376 - 376

28. Erratum to Incidence and Risk Factors for Major Surgical Complications in Patients With Complex Spinal Deformity: A Report From an SRS GOP Site [Spine Deformity 3 (2015) 57–64]

    • Oheneba Boachie-Adjei
    • Mitsuru Yagi
    • Han Jo Kim

    Erratum 30 December 2019 Pages: 377 - 377

29. Erratum to Surgical Risk Stratification Based on Preoperative Risk Factors in Severe Pediatric Spinal Deformity Surgery [Spine Deformity 2 (2014) 340–349]

    • Oheneba Boachie-Adjei
    • Mitsuru Yagi
    • FOCOS Spine Research Group

    Erratum 30 December 2019 Pages: 378 - 378

30. Erratum to Tridimensional Analysis of Rotatory Subluxation and Sagittal Spinopelvic Alignment in the Setting of Adult Spinal Deformity [Spine Deformity 5/4 (2017) 255–264]

    • Emmanuelle Ferrero
    • Renaud Lafage
    • Virginie Lafage

    Erratum 30 December 2019 Pages: 379 - 379

31. Erratum to: Agreement Between Manual and Computerized Designation of Neutral Vertebra in Idiopathic Scoliosis [Spine Deformity 6/6 (2018) 644–650]

    • Christopher J. DeFrancesco
    • Saba Pasha
    • The Harms Study Group

    Erratum 30 December 2019 Pages: 380 - 380