The biomechanics of the lumbar multifidus

Macintosh J.E. and Bogduk N. (1986) The biomechanics of the lumbar multifidus. Clinical Biomechanics, 1 4: 205-213. doi:10.1016/0268-0033(86)90147-6


Author Macintosh J.E.
Bogduk N.
Title The biomechanics of the lumbar multifidus
Journal name Clinical Biomechanics   Check publisher's open access policy
ISSN 0268-0033
Publication date 1986-01-01
Sub-type Article (original research)
DOI 10.1016/0268-0033(86)90147-6
Open Access Status
Volume 1
Issue 4
Start page 205
End page 213
Total pages 9
Subject 2732 Orthopedics and Sports Medicine
Abstract The possible actions of the lumbar multifidus were determined by plotting the points of attachment and orientation of each of its component fascicles on radiographs of 5 cadavers and 21 living subjects. Subsequent analysis revealed that the principal action of multifidus is posterior sagittal rotation (extension without posterior translation) of the lumbar vertebrae. It has no translatory action. Any axial rotation exerted by the lumbar multifidus is only a minor, secondary action which must be coupled with posterior sagittal rotation. This extension balances the flexion moment generated by the abdominal muscles which rotate the trunk. The constancy of the sites of attachment of the multifidus allows each of its fascicles to be plotted accurately on radiographs or computer diagrams which can be used to produce highly detailed analyses or models of the forces exerted by the multifidus on the lumbar spine.
Keyword Biomechanics
Lumbar region
Multifidus
Muscles
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 14 Jun 2016, 16:44:53 EST by System User