An in vitro study of normal and scoliotic interspinous ligaments

Waters, R. L.<sup>1</sup>; Morris, J. M.<sup>1</sup>

Affiliations

¹Biomechanics Laboratory, Department of Orthopaedic Surgery, School of Medicine, University of California, San Francisco, San Francisco, California 94122, U.S.A.

Abstract

The mechanical properties of specimens of spinal ligaments from 16 patients with idiopathic scoliosis and 10 patients with scoliosis resulting from connective-tissue disease or anomaly were compared. Stress was determined with an Instron Testor and strain with a modified Instron extensometer. Stress-strain values and percentages of stress relaxation were calculated. It was found that the mechanical properties of the two groups of specimens were essentially similar: The elastic moduli were 129 N/mm² and 113 N/mm², and the percentages of stress relaxation were 5 and 4, respectively.

Links

DOI: 10.1016/0021-9290(73)90094-8

PubMed: 4732934

WoS: A1973Q160700002

History

Received: 1972-08-15

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Cited By (22)

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1975	Nagel DA, Perkash I, Piziali RL, Hayes WC. Mechanics of dorsal-lumbar spine injury: a preliminary report. In: 19th Annual Proceedings, Association for the Advancement of Automotive Medicine (AAAM). November 20, 1975; San Diego, CA.124-136.
1988	Siegler S, Block J, Schenck CD. The mechanical characteristics of the collateral ligaments of the human ankle joint. Foot Ankle. April 1988;8(5):234-242.
1985	Chazal J, Tanguy A, Bourges M, Gaurel G, Escande G, Guillot M, Vanneuville G. Biomechanical properties of spinal ligaments and a histological study of the supraspinal ligament in traction. J Biomech. 1985;18(3):167-176.
1986	Shirazi-Adl A, Ahmed AM, Shrivastava S. A finite element study of a lumbar motion segment subjected to pure sagittal plane moments. J Biomech. 1986;19(4):331-350.
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1992	McGill SM. A myoelectrically based dynamic three-dimensional model to predict loads on lumbar spine tissues during lateral bending. J Biomech. April 1992;25(4):395-414.
1992	Neumann P, Keller TS, Ekström L, Perry L, Hansson TH, Spengler DM. Mechanical properties of the human lumbar anterior longitudinal ligament. J Biomech. 1992;25(10):1185-1194.
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2010	Langohr GDG. Cervical Total Level Arthroplasty System With PEEK All-Polymer Articulations [Master's thesis]. University of Waterloo; 2010.