Is the spinal motion segment a diarthrodial polyaxial joint: What a nice nucleus like you doing in a joint like this?

Irving M. Shapiro, Edward Vresilovic, Makarand V. Risbud

Research output: Contribution to journalReview article

16 Citations (Scopus)

Abstract

This review challenges an earlier view that the intervertebral joint could not be classified as a diarthrodial joint and should remain as an amphiarthrosis. However, a careful analysis of the relevant literature and in light of more recent studies, it is clear that while some differences exist between the spinal articulation and the generic synovial joint, there are clear structural, functional and developmental similarities between the joints that in sum outweigh the differences. Further, since the intervertebral motion segment displays movement in three dimensions and the whole spine itself provides integrated rotatory movements, it is proposed that it should be classified not as an amphiarthrose, "a slightly moveable joint" but as a complex polyaxial joint. Hopefully, reclassification will encourage further analysis of the structure and function of the two types of overlapping joints and provide common new insights into diseases that afflict the many joints of the human skeleton.

Original languageEnglish (US)
Pages (from-to)771-776
Number of pages6
JournalBone
Volume50
Issue number3
DOIs
StatePublished - Mar 1 2012

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Joints
Skeleton
Spine

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Physiology
  • Histology

Cite this

Shapiro, Irving M. ; Vresilovic, Edward ; Risbud, Makarand V. / Is the spinal motion segment a diarthrodial polyaxial joint : What a nice nucleus like you doing in a joint like this?. In: Bone. 2012 ; Vol. 50, No. 3. pp. 771-776.
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Is the spinal motion segment a diarthrodial polyaxial joint : What a nice nucleus like you doing in a joint like this? / Shapiro, Irving M.; Vresilovic, Edward; Risbud, Makarand V.

In: Bone, Vol. 50, No. 3, 01.03.2012, p. 771-776.

Research output: Contribution to journalReview article

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