Flexion and extension of the vertebral column measured using MRI

PH Dangerfield*, JC Dorgan, K Evans, N Roberts, GH Whitehouse, M Gunter

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The degree of mobility and flexibility of the vertebral column on a small sample of normal subjects in different positions of the head and lower limbs has been investigated using an MRI protocol. The results have demonstrated that flexion and extension had little effect on the normal curvatures of the spine, such as the kyphosis or lordosis, but did alter the relative positions of flexion or extension of adjacent vertebrae. Additionally, a pivot point along the vertebral column was demonstrated, centred on thoracic vertebral T6. This pivot point reflects the degrees of freedom of movement by the vertebrae within the vertebral column and might explain why scoliotic curves high in the thoracic region are uncommon.

Original languageEnglish
Title of host publicationRESEARCH INTO SPINAL DEFORMITIES 2
EditorsIAF Stokes
Place of PublicationAMSTERDAM
PublisherI O S PRESS
Pages141-145
Number of pages5
ISBN (Print)90-5199-430-3
Publication statusPublished - 1999
Event2nd Biannual Meeting of the International-Research-Society-of-Spinal-Deformities - BURLINGTON, United Kingdom
Duration: 1 Jun 1998 → …

Publication series

NameSTUDIES IN HEALTH TECHNOLOGY AND INFORMATICS
PublisherI O S PRESS
Volume59
ISSN (Print)0926-9630

Conference

Conference2nd Biannual Meeting of the International-Research-Society-of-Spinal-Deformities
Country/TerritoryUnited Kingdom
Period1/06/98 → …

Keywords

  • LUMBAR SPINE

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