Biomechanical properties of human lumbar spine ligaments. J Biomech 1992 Nov;25(11):1351-6
Date
11/11/1992Pubmed ID
1400536DOI
10.1016/0021-9290(92)90290-hScopus ID
2-s2.0-0026953977 (requires institutional sign-in at Scopus site) 263 CitationsAbstract
Biomechanical properties of the six major lumbar spine ligaments were determined from 38 fresh human cadaveric subjects for direct incorporation into mathematical and finite element models. Anterior and posterior longitudinal ligaments, joint capsules, ligamentum flavum, interspinous, and supraspinous ligaments were evaluated. Using the results from in situ isolation tests, individual force-deflection responses from 132 samples were transformed with a normalization procedure into mean force-deflection properties to describe the nonlinear characteristics. Ligament responses based on the mechanical characteristics as well as anatomical considerations, were grouped into T12-L2, L2-L4, and L4-S1 levels maintaining individuality and nonlinearity. A total of 18 data curves are presented. Geometrical measurements of original length and cross-sectional area for these six major ligaments were determined using cryomicrotomy techniques. Derived parameters including failure stress and strain were computed using the strength and geometry information. These properties for the lumbar spinal ligaments which are based on identical definitions used in mechanical testing and geometrical assay will permit more realistic and consistent inputs for analytical models.
Author List
Pintar FA, Yoganandan N, Myers T, Elhagediab A, Sances A JrAuthors
Frank A. Pintar PhD Chair, Professor in the Biomedical Engineering department at Medical College of WisconsinNarayan Yoganandan PhD Professor in the Neurosurgery department at Medical College of Wisconsin
MESH terms used to index this publication - Major topics in bold
AdultAged
Aged, 80 and over
Biomechanical Phenomena
Cryoultramicrotomy
Elasticity
Humans
Ligaments
Lumbar Vertebrae
Middle Aged
Stress, Mechanical
