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Anatomy of the Spine The anterior portion of the spine consists of cylindrical vertebral bodies separated by intervertebral disks and held together by the anterior and posterior longitudinal ligaments. The intervertebral disks are composed of a central gelatinous nucleus pulposus surrounded by a tough cartilaginous ring, the annulus fibrosis; disks are responsible for 25% of spinal column length (Figs. 16-1 and 16-2). The disks are largest in the cervical and lumbar regions where movements of the spine are greatest. . | Chapter 016. Back and Neck Pain Anatomy of the Spine The anterior portion of the spine consists of cylindrical vertebral bodies separated by intervertebral disks and held together by the anterior and posterior longitudinal ligaments. The intervertebral disks are composed of a central gelatinous nucleus pulposus surrounded by a tough cartilaginous ring the annulus fibrosis disks are responsible for 25 of spinal column length Figs. 16-1 and 16-2 . The disks are largest in the cervical and lumbar regions where movements of the spine are greatest. The disks are elastic in youth and allow the bony vertebrae to move easily upon each other. Elasticity is lost with age. The function of the anterior spine is to absorb the shock of body movements such as walking and running. Figure 16-1 Posterior A Anterior Source Fauci AS Kasper DL Braunwald E Hauser SL Longo DL Jameson JL Loscalzo J Principỉes cf Ỉỉrterĩiaỉ Medicine 17th Edition http www.accessmedicine.com Copyright The McGraw-Hill Companies Inc. All rights reset BenhH0c Com Posterior Anterior Superior articular process Transverse process Intervertebral Spinous process Inferior articular process facet Superior vertebral notch Intervertebral foramen B Source Fauci AS Kasper DL Braunwald E Hauser SL Longo DL Jameson JL Loscalio J Harrison s Principỉes of Intern ai Medicine 17th Edition http www.accessmedicine.com Copyright The McGraw-Hill Companies Inc. All rights reset BenhH0c Com Vertebral anatomy. From A Gauthier Cornuelle DH Gronefeld Radiographic Anatomy Positioning. New York McGraw-Hill 1998 with permission. Figure 16-2 Source Fauci AS Kasper DL. Braunwald Ẽ Hauser SL. Longo DL Jameson JL Lckscalzo J Hữrriỉữĩ ỉ Prỉncịpteỉ 17th Editi0n1 hup ỉ wwv. ìccessmedicine. com Copyright I The McGraw-Hill Companies Inc. All rights reset jBenhH OclConi Spinal column. From A Gauthier Cornuelle DH Gronefeld Radiographic Anatomy Positioning. New York McGraw-Hill 1998 with permission. The posterior portion of the spine consists of the
