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Cited by 174

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CT - Functional Diagnostics of the Rotatory Instability of the Upper Cervical Spine: Part 2. An Evaluation on Healthy Adults and Patients with Suspected Instability

DVORAK, JIRI, HAYEK, JOHN, ZEHNDER, ROLF·1987·Spine

Abstract

Nine healthy adults and 43 patients with cervical spine injury were examined by using functional (computerized tomography) CT scanning. The ranges of axial rotation at the levels occiput C0-C1, C1-C2, and C2-C3 were measured. A rotation at C0-C1 greater than 8 degrees; at C1-C2, 56 degrees; or a right-left difference C0-C1 greater than 5 degrees and C1-2 greater than 8 degrees indicates hypermobility. A rotation at segment C1-C2 of less than 28 degrees indicates hypomobility. Surgical stabilization of rotatory instability could be considered as a possible therapeutic procedure.

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Metadata

Authors
DVORAK, J., HAYEK, J., & ZEHNDER, R.
Venue
Spine
Published
1987-10
Volume
12
Issue
8
Pages
726-731
ISSN
0362-2436 (ISSN-L)
OpenAlex
W2028431945
Cited by
174
References
0
FWCI
1.60
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: CT - Functional Diagnostics of the Rotatory Instability of the Upper Cervical Spine: Part 2. An Evaluation on Healthy Adults and Patients with Suspected Instability. https://app.cochat.ai/papers/10.1097/00007632-198710000-00002
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DVORAK, J., HAYEK, J., & ZEHNDER, R. (1987). CT - Functional Diagnostics of the Rotatory Instability of the Upper Cervical Spine: Part 2. An Evaluation on Healthy Adults and Patients with Suspected Instability. Spine. https://doi.org/10.1097/00007632-198710000-00002

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.