文档介绍：Cervical Spine fractures…
Cervical Anatomy
Biomechanically Specialized
Support of “large” Cranial mass
Large range of motion
Flexion/extension
Axial rotation
Unique osteological characteristics
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“太阳当空照，花儿对我笑，小鸟说早早早……”
C1 - Atlas
No body
2 articular pillars
Flat articular surface
Vertebral artery foramen
2 arches
Anterior
Posterior
Vertebral artery groove
C2 Anatomy
Dens
Embriological C1 body
Base poorly vascularized
Osteoporotic
Flat C1-2 joints
Vertebral artery foramena
Inferomedial to superolateral
Anatomy – The Ligaments
Allow for the wide ROM of upper C-spine while maintaining stability
Classified according to location with respect to vertebral canal
Internal:
Tectorial membrane
Cruciate ligament – including transverse ligament
Alar and apical ligaments
External
Anterior and posterior atlanto-occipital membranes
Anterior and posterior atlanto-axial membranes
Articular capsules and ligamentum nuchae
AtlantoAxial Anatomy
Tectorial Membrane