دورية أكاديمية
Strain rate dependent properties of human craniovertebral ligaments.
| العنوان: | Strain rate dependent properties of human craniovertebral ligaments. |
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| المؤلفون: | Mattucci SF; University of Waterloo, Waterloo, ON, Canada N2L 3G1., Moulton JA, Chandrashekar N, Cronin DS |
| المصدر: | Journal of the mechanical behavior of biomedical materials [J Mech Behav Biomed Mater] 2013 Jul; Vol. 23, pp. 71-9. Date of Electronic Publication: 2013 Apr 17. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: Elsevier Country of Publication: Netherlands NLM ID: 101322406 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1878-0180 (Electronic) Linking ISSN: 18780180 NLM ISO Abbreviation: J Mech Behav Biomed Mater Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Amsterdam : Elsevier |
| مواضيع طبية MeSH: | Ligaments* , Materials Testing* , Spine* , Stress, Mechanical*, Adult ; Biomechanical Phenomena ; Female ; Humans ; Male ; Middle Aged ; Tensile Strength |
| مستخلص: | Craniovertebral ligaments were tested to failure under tensile loading. Ligaments tested included: transverse ligament, anterior atlanto occipital membrane, posterior atlanto occipital membrane, capsular ligaments between Skull-C1 and C1-C2, anterior atlantoaxial membrane, posterior atlantoaxial membrane and the tectorial membrane/vertical cruciate/apical/alar ligament complex. The objective of this study was to obtain mechanical properties of craniovertebral ligaments of a younger population, at varying strain rates representative of automotive crash scenarios, and investigate rate and gender effects for use in numerical models of the cervical spine. There have been few studies conducted on the mechanical properties of human craniovertebral ligaments. Only one study has tested all of the ligaments, and previous studies use older age specimens (mean age 67, from most complete study). Further, tests were often not performed at elongation rates representative of car crash scenarios. Previous studies did not perform tests in an environment resembling in vivo conditions, which has been shown to have a significant effect on ligament tensile behaviour. Fifty-four craniovertebral ligaments were isolated from twenty-one spines, and tested to failure in tension under simulated in vivo temperature and hydration levels, at quasi-static (0.5 s(-1)) and high strain rates (150 s(-1)). Values for failure force, failure elongation, stiffness, and toe region elongation were obtained from force-displacement curves. Values were analyzed for strain rate and gender effects. Increased strain rate produced several significant effects including: higher failure forces for the transverse ligament and capsular ligament (Skull-C1), lower failure elongation for the tectorial membrane complex, higher stiffness for the tectorial membrane complex and capsular ligament (Skull-C1), and lower toe region elongation for capsular ligament (Skull-C1). Gender effects were limited. Ligament tests demonstrated expected rate effects. Younger specimens had a higher failure force and stiffness and failed at lower elongations than older specimens from previous studies. Gender effects suggest there may be a difference between male and female properties, but require further testing to establish greater significance. (Copyright © 2013 Elsevier Ltd. All rights reserved.) |
| تواريخ الأحداث: | Date Created: 20130514 Date Completed: 20140710 Latest Revision: 20130603 |
| رمز التحديث: | 20221213 |
| DOI: | 10.1016/j.jmbbm.2013.04.005 |
| PMID: | 23665484 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 1878-0180 |
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| DOI: | 10.1016/j.jmbbm.2013.04.005 |