Intervertebral translations and rotations are likely dependent on intervertebral stiffness properties. The objective of this study was to incorporate realistic intervertebral stiffnesses in a musculoskeletal model of the lumbar spine using a novel force-dependent kinematics approach, and examine the effects on vertebral compressive loading and intervertebral motions. Predicted vertebral loading and intervertebral motions were compared to previously reported in vivo measurements. Intervertebral joint reaction forces and motions were strongly affected by flexion stiffness, as well as force–motion coupling of the intervertebral stiffness. Better understanding of intervertebral stiffness and force–motion coupling could improve musculoskeletal modeling, implant design, and surgical planning.
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October 2015
Research-Article
Incorporating Six Degree-of-Freedom Intervertebral Joint Stiffness in a Lumbar Spine Musculoskeletal Model—Method and Performance in Flexed Postures
Xiangjie Meng,
Xiangjie Meng
State Key Laboratory of Automotive Safety and Energy,
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China;
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China;
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: mengxjchina@gmail.com
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: mengxjchina@gmail.com
Search for other works by this author on:
Alexander G. Bruno,
Alexander G. Bruno
Harvard-MIT Health Sciences and Technology Program,
Cambridge, MA 02139;
Cambridge, MA 02139;
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: agbruno@mit.edu
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: agbruno@mit.edu
Search for other works by this author on:
Bo Cheng,
Bo Cheng
State Key Laboratory of Automotive Safety and Energy,
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084 China
e-mail: chengbo@tsinghua.edu.cn
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084 China
e-mail: chengbo@tsinghua.edu.cn
Search for other works by this author on:
Wenjun Wang,
Wenjun Wang
State Key Laboratory of Automotive Safety and Energy,
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China
e-mail: wangxiaowenjun@tsinghua.edu.cn
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China
e-mail: wangxiaowenjun@tsinghua.edu.cn
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Mary L. Bouxsein,
Mary L. Bouxsein
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Department of Orthopedic Surgery,
Harvard Medical School,
Boston, MA 02115
e-mail: mbouxsei@bidmc.harvard.edu
Harvard Medical School,
Boston, MA 02115
e-mail: mbouxsei@bidmc.harvard.edu
Search for other works by this author on:
Dennis E. Anderson
Dennis E. Anderson
Mem. ASME
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Department of Orthopedic Surgery,
Harvard Medical School,
Boston, MA 02115
e-mail: danders7@bidmc.harvard.edu
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Department of Orthopedic Surgery,
Harvard Medical School,
Boston, MA 02115
e-mail: danders7@bidmc.harvard.edu
Search for other works by this author on:
Xiangjie Meng
State Key Laboratory of Automotive Safety and Energy,
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China;
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China;
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: mengxjchina@gmail.com
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: mengxjchina@gmail.com
Alexander G. Bruno
Harvard-MIT Health Sciences and Technology Program,
Cambridge, MA 02139;
Cambridge, MA 02139;
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: agbruno@mit.edu
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215
e-mail: agbruno@mit.edu
Bo Cheng
State Key Laboratory of Automotive Safety and Energy,
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084 China
e-mail: chengbo@tsinghua.edu.cn
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084 China
e-mail: chengbo@tsinghua.edu.cn
Wenjun Wang
State Key Laboratory of Automotive Safety and Energy,
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China
e-mail: wangxiaowenjun@tsinghua.edu.cn
Department of Automotive Engineering,
Tsinghua University,
Beijing 100084, China
e-mail: wangxiaowenjun@tsinghua.edu.cn
Mary L. Bouxsein
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Department of Orthopedic Surgery,
Harvard Medical School,
Boston, MA 02115
e-mail: mbouxsei@bidmc.harvard.edu
Harvard Medical School,
Boston, MA 02115
e-mail: mbouxsei@bidmc.harvard.edu
Dennis E. Anderson
Mem. ASME
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Department of Orthopedic Surgery,
Harvard Medical School,
Boston, MA 02115
e-mail: danders7@bidmc.harvard.edu
Center for Advanced Orthopaedic Studies,
Beth Israel Deaconess Medical Center,
330 Brookline Avenue, RN115,
Boston, MA 02215;
Department of Orthopedic Surgery,
Harvard Medical School,
Boston, MA 02115
e-mail: danders7@bidmc.harvard.edu
Manuscript received January 7, 2015; final manuscript received July 29, 2015; published online September 3, 2015. Assoc. Editor: Brian D. Stemper.
1Corresponding author.
J Biomech Eng. Oct 2015, 137(10): 101008 (9 pages)
Published Online: September 3, 2015
Article history
Received:
January 7, 2015
Revised:
July 29, 2015
Citation
Meng, X., Bruno, A. G., Cheng, B., Wang, W., Bouxsein, M. L., and Anderson, D. E. (September 3, 2015). "Incorporating Six Degree-of-Freedom Intervertebral Joint Stiffness in a Lumbar Spine Musculoskeletal Model—Method and Performance in Flexed Postures." ASME. J Biomech Eng. October 2015; 137(10): 101008. https://doi.org/10.1115/1.4031417
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