William J Anderst

Summary

Affiliation: University of Pittsburgh
Country: USA

Publications

  1. pmc Cervical spine bone mineral density as a function of vertebral level and anatomic location
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15203, USA
    Spine J 11:659-67. 2011
  2. pmc Continuous cervical spine kinematics during in vivo dynamic flexion-extension
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water St, Pittsburgh, PA 15203, USA Electronic address
    Spine J 14:1221-7. 2014
  3. pmc Subject-specific inverse dynamics of the head and cervical spine during in vivo dynamic flexion-extension
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15203, USA
    J Biomech Eng 135:61007-8. 2013
  4. pmc Motion path of the instant center of rotation in the cervical spine during in vivo dynamic flexion-extension: implications for artificial disc design and evaluation of motion quality after arthrodesis
    William Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15203, USA
    Spine (Phila Pa 1976) 38:E594-601. 2013
  5. pmc Cervical spine intervertebral kinematics with respect to the head are different during flexion and extension motions
    William J Anderst
    Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, USA
    J Biomech 46:1471-5. 2013
  6. doi request reprint Automated measurement of neural foramen cross-sectional area during in vivo functional movement
    William J Anderst
    Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, USA
    Comput Methods Biomech Biomed Engin 15:1313-21. 2012
  7. pmc Six-degrees-of-freedom cervical spine range of motion during dynamic flexion-extension after single-level anterior arthrodesis: comparison with asymptomatic control subjects
    William J Anderst
    Department of Orthopaedic Surgery, Orthopaedics Biodynamics Laboratory, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, USA
    J Bone Joint Surg Am 95:497-506. 2013
  8. pmc Validation of a noninvasive technique to precisely measure in vivo three-dimensional cervical spine movement
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
    Spine (Phila Pa 1976) 36:E393-400. 2011
  9. pmc Using relative velocity vectors to reveal axial rotation about the medial and lateral compartment of the knee
    William J Anderst
    Department of Orthopaedics, Orthopaedic Research Laboratories, University of Pittsburgh, Rivertech Office Works, 3820 South Water Street, Pittsburgh, PA 15203, USA
    J Biomech 43:994-7. 2010
  10. pmc The association between velocity of the center of closest proximity on subchondral bones and osteoarthritis progression
    William J Anderst
    Department of Orthopedics, Biodynamics Lab, University of Pittsburgh, Pittsburgh, Pennsylvania 15203, USA
    J Orthop Res 27:71-7. 2009

Collaborators

Detail Information

Publications16

  1. pmc Cervical spine bone mineral density as a function of vertebral level and anatomic location
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15203, USA
    Spine J 11:659-67. 2011
    ..There are currently no reports of BMD as a function of anatomic location within each vertebra...
  2. pmc Continuous cervical spine kinematics during in vivo dynamic flexion-extension
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water St, Pittsburgh, PA 15203, USA Electronic address
    Spine J 14:1221-7. 2014
    ..In vitro test protocols and finite element models that are validated using only end range of motion data may not accurately reproduce continuous in vivo motion...
  3. pmc Subject-specific inverse dynamics of the head and cervical spine during in vivo dynamic flexion-extension
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15203, USA
    J Biomech Eng 135:61007-8. 2013
    ..The results suggest that in vitro protocols and finite element models that apply constant loads to C2 do not accurately represent in vivo cervical spine kinetics...
  4. pmc Motion path of the instant center of rotation in the cervical spine during in vivo dynamic flexion-extension: implications for artificial disc design and evaluation of motion quality after arthrodesis
    William Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA 15203, USA
    Spine (Phila Pa 1976) 38:E594-601. 2013
    ..Case-control...
  5. pmc Cervical spine intervertebral kinematics with respect to the head are different during flexion and extension motions
    William J Anderst
    Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, USA
    J Biomech 46:1471-5. 2013
    ....
  6. doi request reprint Automated measurement of neural foramen cross-sectional area during in vivo functional movement
    William J Anderst
    Orthopaedic Research Laboratories, Department of Orthopaedic Surgery, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, USA
    Comput Methods Biomech Biomed Engin 15:1313-21. 2012
    ..The present technique is ideal for longitudinal studies involving subjects who receive conservative or surgical treatments that may affect spine motion...
  7. pmc Six-degrees-of-freedom cervical spine range of motion during dynamic flexion-extension after single-level anterior arthrodesis: comparison with asymptomatic control subjects
    William J Anderst
    Department of Orthopaedic Surgery, Orthopaedics Biodynamics Laboratory, University of Pittsburgh, 3820 South Water Street, Pittsburgh, PA 15203, USA
    J Bone Joint Surg Am 95:497-506. 2013
    ..The objective of the current study was to evaluate cervical intervertebral range of motion during dynamic flexion-extension in patients who had undergone a single-level arthrodesis and in asymptomatic control subjects...
  8. pmc Validation of a noninvasive technique to precisely measure in vivo three-dimensional cervical spine movement
    William J Anderst
    Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
    Spine (Phila Pa 1976) 36:E393-400. 2011
    ..In vivo validation during functional loading...
  9. pmc Using relative velocity vectors to reveal axial rotation about the medial and lateral compartment of the knee
    William J Anderst
    Department of Orthopaedics, Orthopaedic Research Laboratories, University of Pittsburgh, Rivertech Office Works, 3820 South Water Street, Pittsburgh, PA 15203, USA
    J Biomech 43:994-7. 2010
    ..Furthermore, analysis of joint arthrokinematics, such as those described, may identify changes in joint mechanics associated with joint degeneration...
  10. pmc The association between velocity of the center of closest proximity on subchondral bones and osteoarthritis progression
    William J Anderst
    Department of Orthopedics, Biodynamics Lab, University of Pittsburgh, Pittsburgh, Pennsylvania 15203, USA
    J Orthop Res 27:71-7. 2009
    ..In the future, articulating surface velocity measurements may be useful to identify patients at risk for long-term OA due to joint instability...
  11. pmc Validation of three-dimensional model-based tibio-femoral tracking during running
    William Anderst
    University of Pittsburgh, Department of Orthopaedic Surgery, Orthopaedic Research Laboratories, 3820 South Water Street, Pittsburgh, PA 15203, USA
    Med Eng Phys 31:10-6. 2009
    ..The combination of high-speed biplane radiography and volumetric model-based tracking achieves excellent accuracy during in vivo, dynamic knee motion without the necessity for invasive bead implantation...
  12. ncbi request reprint A technique to measure three-dimensional in vivo rotation of fused and adjacent lumbar vertebrae
    William J Anderst
    Department of Orthopaedics, University of Pittsburgh, Biodynamics Lab, 3820 South Water Street, Pittsburgh, PA 15203, USA
    Spine J 8:991-7. 2008
    ..Previous attempts to measure vertebral motion in vivo have been either static measure, imprecise, two-dimensional, or overly invasive to be applied to serial studies...
  13. pmc Sensitivity, reliability and accuracy of the instant center of rotation calculation in the cervical spine during in vivo dynamic flexion-extension
    Emma Baillargeon
    University of Pittsburgh, Department of Bioengineering, USA
    J Biomech 46:670-6. 2013
    ..The inter-subject variability in ICR location averaged ±1.2mm in the SI direction and ±2.2mm in the AP direction. The computational experiment estimated the in vivo accuracy in ICR location was between 1.1mm and 3.1mm...
  14. pmc In vivo cervical facet joint capsule deformation during flexion-extension
    William J Anderst
    From the Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA
    Spine (Phila Pa 1976) 39:E514-20. 2014
    ..Nonrandomized controlled cohort...
  15. pmc Cervical motion segment percent contributions to flexion-extension during continuous functional movement in control subjects and arthrodesis patients
    William J Anderst
    From the Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA
    Spine (Phila Pa 1976) 38:E533-9. 2013
    ..Case control study...
  16. doi request reprint Model-based tracking of the hip: implications for novel analyses of hip pathology
    Daniel E Martin
    University of Pittsburgh Medical Center Department of Orthopedic Surgery, Pittsburgh, Pennsylvania, USA
    J Arthroplasty 26:88-97. 2011
    ..9% and a precision of 2.5%. Model-based tracking of the hip thus provides the opportunity to noninvasively study hip pathologic conditions such as osteoarthritis and femoroacetabular impingement with great accuracy...