How many vertebrae make up the coccyx?

The coccyx is composed of three, four (most commonly) or five fused, rudimentary vertebrae. The first coccygeal vertebral body forms its upper surface, or base, and articulates via an oval facet with the sacral apex.

What is Sacropelvic fixation?

Thus, sacropelvic fixation serves as the foundation for long constructs in spinal deformity surgery and is used to treat high-grade spondylolisthesis, flat-back syndrome requiring osteotomy, deformities at the lumbosacral junction, pelvic obliquity, and sacral fractures, as well as in revision surgery for disc …

What is the vertebrae sequence?

Cervical, thoracic, lumbar, sacral.

What bones does the sacrum articulate with inferiorly?

The sacrum is located at the base of the vertebral column. It articulates bilaterally with the two ossa coxa and inferiorly with the small coccyx. a. The base of the sacrum is the broad anterosuperior surface of the bone, comprising the tops of both alae and the plateau of the first sacral vertebra.

Is there a spinal cord in the sacral vertebrae?

While there are no spinal cord sections in the sacral vertebrae, the sacral nerves originate in the lumbar spine. Any damage to these nerve roots may cause similar symptoms to those of spinal cord damage . People with sacral nerve injuries will have symptoms on one or both sides of their bodies.

Are there any abnormalities in the lumbar vertebrae?

The spine is split into different segments: the cervical, thoracic and lumbar regions as you head from the neck down to the pelvic area. Most humans have the same number of vertebrae. In some cases, however, abnormalities do occur. The 6 th lumbar vertebrae is one such abnormality.

How does an injury to the sacral vertebrae affect your life?

Injuries to the sacral vertebrae may cause loss of function in the hips and/or legs, which affects activities, including walking and driving. Sacral vertebrae injuries may also cause bladder and bowel control dysfunction. However, injuries of the sacral vertebrae aren’t significant enough to affect daily living and self-care.

How is the cervical vertebra smaller than the lumbar?

Vertebral body. Cervical bodies are interlocking, with saddle-shaped superior and inferior surfaces. Cervical bodies are smaller than those of thoracic or lumbar vertebrae. Arch. At the root of the cervical arch and to either side of the cervical vertebral body are transverse foramina ( Figure 9.4) medial to the transverse processes.