N R Crawford

Summary

Affiliation: Barrow Neurological Institute
Country: USA

Publications

  1. ncbi request reprint A new technique for determining 3-D joint angles: the tilt/twist method
    N R Crawford
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, Phoenix, AZ 85013, USA
    Clin Biomech (Bristol, Avon) 14:153-65. 1999
  2. ncbi request reprint Biomechanics of grade I degenerative lumbar spondylolisthesis. Part 2: treatment with threaded interbody cages/dowels and pedicle screws
    S Cagli
    Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013-4496, USA
    J Neurosurg 94:51-60. 2001
  3. ncbi request reprint Biomechanical effects of transthoracic microdiscectomy
    G G Broc
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:605-12. 1997
  4. ncbi request reprint Biomechanics of grade I degenerative lumbar spondylolisthesis. Part 1: in vitro model
    N R Crawford
    Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013-4496, USA
    J Neurosurg 94:45-50. 2001
  5. ncbi request reprint Differential biomechanical effects of injury and wiring at C1-C2
    N R Crawford
    Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 24:1894-902. 1999
  6. ncbi request reprint Comparative mechanical properties of spinal cable and wire fixation systems
    C A Dickman
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:596-604. 1997
  7. ncbi request reprint An apparatus for applying pure nonconstraining moments to spine segments in vitro
    N R Crawford
    Spinal Biomechanics Research Laboratory, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 20:2097-100. 1995
  8. ncbi request reprint Comparative pull-out strength of tapped and untapped pilot holes for bicortical anterior cervical screws
    J F Ronderos
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:167-70. 1997
  9. ncbi request reprint The effects of dexamethasone on bone fusion in an experimental model of posterolateral lumbar spinal arthrodesis
    P D Sawin
    Department of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
    J Neurosurg 94:76-81. 2001
  10. ncbi request reprint Biomechanical effects of progressive anterior cervical decompression
    T Y Chen
    Spinal Biomechanics Research Laboratory, Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
    Spine (Phila Pa 1976) 26:6-13; discussion 14. 2001

Collaborators

  • R J Hurlbert
  • C A Dickman
  • V K Sonntag
  • T Y Chen
  • M S Adams
  • P D Sawin
  • S Cagli
  • J F Ronderos
  • G G Broc
  • W D Bichard
  • R H Chamberlain
  • A G Brantley
  • M S Melton
  • R L Gealer
  • R Jacobowitz
  • S M Papadopoulos
  • S Coons
  • T Tominaga

Detail Information

Publications13

  1. ncbi request reprint A new technique for determining 3-D joint angles: the tilt/twist method
    N R Crawford
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, Phoenix, AZ 85013, USA
    Clin Biomech (Bristol, Avon) 14:153-65. 1999
    ..To develop a new method of representing 3-D joint angles that is both physically meaningful and mathematically stable...
  2. ncbi request reprint Biomechanics of grade I degenerative lumbar spondylolisthesis. Part 2: treatment with threaded interbody cages/dowels and pedicle screws
    S Cagli
    Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013-4496, USA
    J Neurosurg 94:51-60. 2001
    ..Threaded cages or dowels used together with pedicle screws/rods created the most stable construct...
  3. ncbi request reprint Biomechanical effects of transthoracic microdiscectomy
    G G Broc
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:605-12. 1997
    ..CONCLUSIONS: Thoracic microdiscectomy had small effects on the immediate mechanics and kinematics of the thoracic spine and did not overtly destabilize the motion segments...
  4. ncbi request reprint Biomechanics of grade I degenerative lumbar spondylolisthesis. Part 1: in vitro model
    N R Crawford
    Division of Neurological Surgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona 85013-4496, USA
    J Neurosurg 94:45-50. 2001
    ..Using the techniques described in this paper to alter normal spines, a level of spinal instability (Grade I; 25% slippage) that may represent spondylolisthesis can be modeled in vitro...
  5. ncbi request reprint Differential biomechanical effects of injury and wiring at C1-C2
    N R Crawford
    Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 24:1894-902. 1999
    ..CONCLUSION: The three different injuries produce different spinal biomechanical responses. To best promote fusion, posterior cable and graft fixation should be used with an adjunctive stabilizing technique to treat all three injuries...
  6. ncbi request reprint Comparative mechanical properties of spinal cable and wire fixation systems
    C A Dickman
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:596-604. 1997
    ..The relative advantages and disadvantages of each particular products should be considered when selecting an implant for a specific clinical use...
  7. ncbi request reprint An apparatus for applying pure nonconstraining moments to spine segments in vitro
    N R Crawford
    Spinal Biomechanics Research Laboratory, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 20:2097-100. 1995
    ....
  8. ncbi request reprint Comparative pull-out strength of tapped and untapped pilot holes for bicortical anterior cervical screws
    J F Ronderos
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:167-70. 1997
    ..Tapping may be unnecessary; however, it may be desirable in patients with dense bone to cut the thread profile into the bone or if the screws have dull tips and threads...
  9. ncbi request reprint The effects of dexamethasone on bone fusion in an experimental model of posterolateral lumbar spinal arthrodesis
    P D Sawin
    Department of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona 85013, USA
    J Neurosurg 94:76-81. 2001
    ..This study was undertaken to delineate the effect of exogenous corticosteroid administration on bone graft incorporation in an experimental model of posterolateral lumbar fusion...
  10. ncbi request reprint Biomechanical effects of progressive anterior cervical decompression
    T Y Chen
    Spinal Biomechanics Research Laboratory, Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, AZ 85013, USA
    Spine (Phila Pa 1976) 26:6-13; discussion 14. 2001
    ..Because flexion and extension were the modes of motion that increased most significantly after decompression, the primary function of a grafting technique or fixation device should be to limit these motions...
  11. ncbi request reprint Morphology and kinematics of the baboon upper cervical spine. A model of the atlantoaxial complex
    C A Dickman
    Division of Neurological Surgery, Barrow Neurological Institute, St Joseph s Hospital and Medical Center, Phoenix, Arizona
    Spine (Phila Pa 1976) 19:2518-23. 1994
    ..CONCLUSIONS. The baboon and human upper cervical anatomy and biomechanics are similar. The baboon may be useful to study atlantoaxial biomechanics and pathology...
  12. ncbi request reprint Construction of local vertebral coordinate systems using a digitizing probe. Technical note
    N R Crawford
    Spinal Biomechanics Research Laboratory, Barrow Ncurological Institute, Phoenix, Arizona, USA
    Spine (Phila Pa 1976) 22:559-63. 1997
    ....
  13. ncbi request reprint Biomechanical comparison of anterior cervical plating and combined anterior/lateral mass plating
    M S Adams
    Spinal Biomechanics Research Laboratory, Barrow Neurological Institute, 350 W. Thomas Road, Phoenix, AZ 85013, USA
    Spine J 1:166-70. 2001
    ..Further study is needed to assess the added clinical benefits of the combined approach and associated risks...