Flexion and extension kinematics of the cervical spine: analysis of the instant axis of rotation

Denis DiAngelo, Keith Vossel, Kevin Foley

Research output: Contribution to journalConference articlepeer-review

Abstract

A study was conducted to determine the Instant Axis of Rotation (IAR) of the cervical spine for flexionextension loads. Six human cervical spines (C2-T1) were procured and mounted in a programmable testing system. IAR coordinates were calculated using vertebral motions. IAR data was analyzed via statistical tests. It was found that the IAR of the normal sub-axial cervical spine lay in the subjacent body near the facet joints during extension and moved towards the center of the subjacent vertebral body during flexion.

Original languageEnglish (US)
Pages (from-to)S-7
JournalAnnals of Biomedical Engineering
Volume28
Issue numberSUPPL. 1
StatePublished - Dec 1 2000
Event2000 Annual Fall Meeting of the Biomedical Engineering Society - Washington, WA, USA
Duration: Oct 12 2000Oct 14 2000

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