Spine April 2009 Vol 34 Iss 9

Anatomy
861-870
Motor Control Patterns During an Active Straight Leg Raise in Chronic Pelvic Girdle Pain Subjects
Darren John Beales, MManipTher; Peter Bruce O’Sullivan, PhD; N Kathryn Briffa, PhD

Biomechanics
871-876
The Effect of Repetitive Pilot-Hole Use on the Insertion Torque and Pullout Strength of Vertebral System Screws
Helton L. A. Defino, MD, PhD; Rodrigo César Rosa; Patrícia Silva; Antonio Carlos Shimano et al

877-884
Biomechanical Evaluation of Parasagittal Occipital Plating: Screw Load Sharing Analysis
Todd J. Frush, MD; Theodore J. Fisher, MD, MS; Scott C. Ensminger, MS; Eeric Truumees et al

Cervical Spine
885-889
Is It Safe to Use Recombinant Human Bone Morphogenetic Protein in Posterior Cervical Fusion?
Girish K. Hiremath, MD; Michael P. Steinmetz, MD; Ajit A. Krishnaney, MD

890-895
Prevalence of Physical Signs in Cervical Myelopathy: A Prospective, Controlled Study
John M. Rhee, MD; John A. Heflin, MD; Takahiko Hamasaki, MD; Brett Freedman, MD

Clinical Case Series
896-900
The Therapeutic Efficacy of Sacroiliac Joint Blocks With Triamcinolone Acetonide in the Treatment of Sacroiliac Joint Dysfunction Without Spondyloarthropathy
Po-Chou Liliang, MD; Kang Lu, MD, PhD; Hui-Ching Weng, PhD; Cheng-Loong Liang et al

901-903
Radiofrequency Ablation of Spinal Osteoid Osteoma: Clinical Outcome
Geert M. Vanderschueren, MD, PhD; Wim R. Obermann, MD, PhD; Sander P. D. Dijkstra et al
904-916
Interdependence Between Disc Space Height, Range of Motion and Clinical Outcome in Total Lumbar Disc Replacement
Christoph J. Siepe, MD; Wolfgang Hitzl, PhD, MSc; Peter Meschede, MD; Ajay K. Sharma et al
917-923
Index Level Mobility After Total Lumbar Disc Replacement: Is It Beneficial or Detrimental?
Balkan Cakir, MD; René Schmidt, MD; Thomas Mattes, MD; Christian R. Fraitzl et al

Cochrane Collaboration
924-933
Insoles for Prevention and Treatment of Back Pain: A Systematic Review Within the Framework of the Cochrane Collaboration Back Review Group
Tali Sahar, MD, MSc; Matan J. Cohen, MD, MPH; Vered Uval-Ne’eman, MD; Leonid Kandel et al

Diagnostics
934-940
Prevalence and Pattern of Lumbar Magnetic Resonance Imaging Changes in a Population Study of One Thousand Forty-Three Individuals
Kenneth M. C. Cheung, MBBS, MD, FRCS, FHKCOS, FHKAM; Jaro Karppinen, et al

941-948
Reliability of Low-Radiation Dose CT in the Assessment of Screw Placement After Posterior Scoliosis Surgery, Evaluated With a New Grading System
Kasim Abul-Kasim, MD; Anita Strömbeck, MD; Acke Ohlin, MD, PhD; Pavel Maly; Pia C. Sundgren,

949-954
Which Lateral Radiographic Positioning Technique Provides the Most Reliable and Functional Representation of a Patient’s Sagittal Balance?
Michelle Marks, PT, MA; Chriss Stanford, MA; Peter Newton, MD

Health Services Research
955-961
Trends and Variations in Cervical Spine Surgery in the United States: Medicare Beneficiaries, 1992 to 2005
Marjorie C. Wang, MD, MPH; William Kreuter, MPA; Christopher E. Wolfla, MD; Dennis J. Maiman, MD, PhD; Richard A. Deyo, MD, MPH

962-963
Point of View
Kevin J. McGuire, MD, MS

964-969
History of Physical Work Exposures and Clinically Diagnosed Sciatica Among Working and Nonworking Finns Aged 30 to 64
Leena Kaila-Kangas, PhD; Päivi Leino-Arjas, DMedSc; Jaro Karppinen, DMedSc; Eira Viikari-Juntura, et al
970-977
Back Pain Recurrence: An Evaluation of Existing Indicators and Direction for Future Research
Radoslaw Wasiak, PhD; Amanda E. Young, PhD; Kate M. Dunn, PhD; Pierre Côté, DC, PhD; Douglas P. Gross, et al

978-983
Lifetime Asymptomatic for Back Pain: The Validity of Self-report Measures in Soldiers
Eugene J. Carragee, MD; Steven P. Cohen, MD

E312-E315
Demographical Aspects of Schmorl Nodes: A Skeletal Study
Gali Dar, PhD; Smadar Peleg, PhD; Youssef Masharawi, PhD; Nili Steinberg, PhD; Hila May, MSc; Israel Hershkovitz, PhD

Literature Review
E316-E322
Definitions of Recurrence of an Episode of Low Back Pain: A Systematic Review
Tasha R. Stanton, MScRS; Jane Latimer, PhD; Chris G. Maher, PhD; Mark Hancock, PhD

Technique
E323-E329
Accuracy and Repeatability of a New Method for Measuring Scoliosis Curvature
Jia-Wei He, MD; Zhi-Han Yan, MD; Jun Liu, MD; Zhi-Kang Yu, MD; Xiang-Yang Wang, MD; Guang-Hui Bai, et al

Case Report
E330-E332
Chronic Spinal Epidural Abscess Caused by Scedosporium prolificans in an Immunocompetent Patient
Francisco Javier Carod-Artal, MD, PhD; Luciane Ferreira-Coral, MD; Jose Mauro-Couto, MD; Elisangela Gomes, et al

E333-E336
Eikenella corrodens Discitis in a Habitual Betel Quid Chewer: A Case Report
Johnlong Tsai, MD; Tsung-Jen Huang, MD; Chuan-Chuan Huang, DDS; Yen-Yao Li, MD; Robert Wen-Wei Hsu, MD

E337-E341
Primary Ewing Sarcoma of the Spine Mimicking a Psoas Abscess Secondary to Spinal Infection
Koji Akeda, MD, PhD; Yuichi Kasai, MD, PhD; Eiji Kawakita, MD, PhD; Masashi Seto, MD, PhD; Toshibumi Kono et al

E342-E345
Pyogenic Osteomyelitis of the Atlas: A Case Report
Yasuhiro Ueda, MD, PhD; Norio Kawahara, MD, PhD; Hideki Murakami, MD, PhD; Takashi Matsui et al

E346-E350
Multiple Intradural Spinal Hydatid Disease: A Case Report and Review of Literature
Müslüm Güneçs, MD; Hidayet Akdemir, MD; Bekir Tuğcu, MD; Ömür Günaldi, MD; Eser Gümüçs, MD; Aykut Akpinar, MD