Bottom of spine

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The vertebral columnalso known as the backbone or spineis part of the axial skeleton. The vertebral column is the defining characteristic of a vertebrate in which the notochord a flexible rod of uniform composition found in all chordates has been replaced by a segmented series of bone : vertebrae separated by intervertebral discs. There are about 50, species of animals that have a vertebral column.

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Spinal anatomy is a remarkable combination of strong bones, flexible ligaments and tendons, large muscles and highly sensitive nerves. It is designed to be incredibly strong, protecting the highly sensitive nerve roots, yet highly flexible, providing for mobility on many different planes. The spine is divided into four regions: the cervical spine, thoracic spine, lumbar spine, and sacral region.

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When most people mention their back, what they are actually referring to is their spine. The spine runs from the base of your skull down the length of your back, going all the way down to your pelvis. It is composed of 33 spool-shaped bones called vertebrae, each about an inch thick and stacked one upon another.

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Print Version. Your spine is one of the most important parts of your body. It gives your body structure and support. Without it you could not stand up or keep yourself upright.

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The spinal column is made up of 26 bones: 24 unique vertebrae plus the sacrum and coccyx tail bone at the end of the backbone. The Vertebrae seem to be chained together. Bones, disks and facet joints of lumbar spine.

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Back to Coccydynia tailbone pain. You get coccydynia when your coccyx tailboneor the surrounding tissue, is damaged. This causes pain and discomfort at the base of your spine, particularly when sitting down.

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Meet your lower back, the part that causes pain for the vast majority of people. But before you curse the day you were born with it, know that those five lumbar vertebrae L1—L5 have a mighty big job to do: they support most of the weight of your body. As you can see in the illustration, being the largest of the vertebrae, they're highly qualified for the job.

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The neck, also called the cervical spine, is a well-engineered structure of bones, nerves, muscles, ligaments, and tendons. The cervical spine is delicate—housing the spinal cord that sends messages from the brain to control all aspects of the body—while also remarkably strong and flexible, allowing the neck to move in all directions. The neck is connected to the upper back through a series of seven vertebral segments.

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When refering to evidence in academic writing, you should always try to reference the primary original source. That is usually the journal article where the information was first stated. In most cases Physiopedia articles are a secondary source and so should not be used as references.

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Tailbone pain — pain that occurs in or around the bony structure at the bottom of the spine coccyx — can be caused by trauma to the coccyx during a fall, prolonged sitting on a hard or narrow surface, degenerative joint changes, or vaginal childbirth. Tailbone pain can feel dull and achy but typically becomes sharp during certain activities, such as sitting, rising from a seated to a standing position or prolonged standing. Defecation and sex also might become painful.

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