Articular Facets of the Human Spine Quantitative Three-Dimensional Anatomy

Manohar M. Panjabi, Thomas Oxland, Koichiro Takata, Vijay Goel, Joanne Duranceau, Martin Krag
1993 Spine  
This study surface anatomy of the articular facets for the entire human vertebral cbJumn based on a study of 276 vertebrae. M eerie and standard errors trf the msansfor 11 n ea r, a n gu la r, a n d area dimensions of the su perio r e nd inferior flrticular faeels wflna measured for fill vortcbrae from CZ to 1.6, Facet Orients!l*n$ wena descrfhedas angieiwlLli respect (otfie sagittal and transverse planes and also a card angles. The piano angles aresimilar tea the angles seen on traditional
more » ... on traditional radiograph re vl aws-rodlograp h s and comp u:ed torn og ra ph io scans. The card angles, a new concept, are better at helping vlsuafiwthe facets. Exclu ding th B superior Cl facet, the mi niriL rn an d max.1 m um d irnen sfons were fou nd fo r the facets from C3tp L3: width = 9.6-16.3 mm; height = 10.2-18,4; surface area =72.3-211.9 mm 2 ; interface! width = 20.fl-M.fl; intcrfacot height -12.2-33.0 mm; transverse planeangle = 41.0-W.fl; sagltiel plane angle -67.4-154.8; X-card angle = 4i.0-B6.D;and V^ard angle = 5.B-6B.1. The quantitative anatomy of the fscats may improve the undarsiandinQ of the spinal anatomy, halp Fmprovetha clinical diagnosis and trestir.-rv, n-ri provide the nacossary data for constructing more nealietic mathHrnatical mode Is of the spine, [Kay wa-ds; spfne, vertebres, anstamy, vprtehral articular facets, zygapaptiyseal joints]
doi:10.1097/00007632-199308000-00009 fatcat:adrjybt5hfdbfg6gf76awkaxaq