| Sagittal parameters of the spine: biomechanical approach. | |
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MedLine Citation:
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PMID: 21796394 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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According to the anatomical segmentation, spine curves are the sacral kyphosis (sacrum), lumbar lordosis (L1 to L5), thoracic kyphosis (T1 to T12) and cervical lordosis (C1 to C7). From the morphological point of view the vertebrae of a curve are not identical: from cranial to caudal and vice versa there is a progressive anatomical modification. Both curves of the thoraco-lumbar spine may be divided at the Inflexion Point where lordosis turns into kyphosis. A geometrical construct of each curve by two tangent arcs of circle allows understanding the reciprocal changes between both curves. Lumbar Lordosis is mainly dependent on SS orientation, and the top of thoracic curve on C7 is very stable over the sacrum. Thoracic curve is dependent on lumbar lordosis orientation and C7 positioning. On a reverse effect, structural changing of thoracic kyphosis may affect the shape of the lumbar lordosis and the orientation of the pelvis. |
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Authors:
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Pierre Roussouly; João Luiz Pinheiro-Franco |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-28 |
Journal Detail:
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Title: European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society Volume: - ISSN: 1432-0932 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9301980 Medline TA: Eur Spine J Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Chirurgie de la colonne vertébrale, Croix Rouge Française, CMCR des Massues, 92 Rue Edmond Locard, 69322, Lyon Cedex 05, France, chort@cmcr-massues.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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