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ANATOMY OF THE BACK Spine Basics Spine Basics is a quick reference to information pertaining to the spine.
Figure 1. Normal Lateral (side) view of a normal spine. The drawing shows the locations of the five major spinal levels.
Lumbar Vertebra Detailed views of a vertebra and vertebral segment. The drawing to the right represents a top view of a lumbar vertebra.
Abnormal Ruptured Disc The drawings to the left and below represent the appearance of a herniated or rupRupturedDiscB.giftured disc.
Scoliosis An abnormal spinal condition known as scoliosis is shown in this drawing. Scoliosis is a lateral (sideways) curvature of the spine.
Kyphosis  Kyphosis is an abnormal increase in normal kyphotic (posterior) curvature of the thoracic spine which can result in a noticeable round back deformity.
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