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Article: Biomechanics of the iliolumbar ligament

TitleBiomechanics of the iliolumbar ligament
Authors
Issue Date1989
Citation
Journal Of The Western Pacific Orthopaedic Association, 1989, v. 26 n. 1, p. 13-21 How to Cite?
AbstractThe contribution of the iliolumbar ligament to the stability of the lumbosacral junction was studied in fresh human cadaveric spines. A first test apparatus was constructed to study the effect of division of the ligament on the mobility of the L5-S1 junction during flexion, extension, lateral bending and axial rotation. It was found that at 6 Nm of loading, flexion of L5 and S1 was significantly restrained by both bands of the ligament while lateral bending was mainly controlled by the anterior band. The effect of the ligament on extension of the lumbosacral junction was minimal and that on axial rotation was not apparent at 6 Nm loading. A second test apparatus was designed to test the torsional stability of the lumbosacral junction until failure. The ligament was found to contribute to 35.2% of the normalized elastic strain energy of the lumbosacral junction in axial rotation. It is felt that the iliolumbar ligament contributes significantly to the stability of the lumbosacral junction and it is important in protecting the lumbosacral disc from excessive torque.
Persistent Identifierhttp://hdl.handle.net/10722/169974
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLuk, KDKen_US
dc.contributor.authorChow, DHKen_US
dc.contributor.authorLeong, JCYen_US
dc.date.accessioned2012-10-30T06:04:29Z-
dc.date.available2012-10-30T06:04:29Z-
dc.date.issued1989en_US
dc.identifier.citationJournal Of The Western Pacific Orthopaedic Association, 1989, v. 26 n. 1, p. 13-21en_US
dc.identifier.issn0043-4019en_US
dc.identifier.urihttp://hdl.handle.net/10722/169974-
dc.description.abstractThe contribution of the iliolumbar ligament to the stability of the lumbosacral junction was studied in fresh human cadaveric spines. A first test apparatus was constructed to study the effect of division of the ligament on the mobility of the L5-S1 junction during flexion, extension, lateral bending and axial rotation. It was found that at 6 Nm of loading, flexion of L5 and S1 was significantly restrained by both bands of the ligament while lateral bending was mainly controlled by the anterior band. The effect of the ligament on extension of the lumbosacral junction was minimal and that on axial rotation was not apparent at 6 Nm loading. A second test apparatus was designed to test the torsional stability of the lumbosacral junction until failure. The ligament was found to contribute to 35.2% of the normalized elastic strain energy of the lumbosacral junction in axial rotation. It is felt that the iliolumbar ligament contributes significantly to the stability of the lumbosacral junction and it is important in protecting the lumbosacral disc from excessive torque.en_US
dc.languageengen_US
dc.relation.ispartofJournal of the Western Pacific Orthopaedic Associationen_US
dc.titleBiomechanics of the iliolumbar ligamenten_US
dc.typeArticleen_US
dc.identifier.emailLuk, KDK:hcm21000@hku.hken_US
dc.identifier.authorityLuk, KDK=rp00333en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0024350020en_US
dc.identifier.volume26en_US
dc.identifier.issue1en_US
dc.identifier.spage13en_US
dc.identifier.epage21en_US
dc.identifier.scopusauthoridLuk, KDK=7201921573en_US
dc.identifier.scopusauthoridChow, DHK=7103203940en_US
dc.identifier.scopusauthoridLeong, JCY=35560782200en_US

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