Anatomy Lower Back

The anatomy of your spine is divided into four sections. The spinal column is made up of 26 bones.

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24 unique vertebrae plus the sacrum and coccyx tail bone at the end of the backbone.

Anatomy lower back. The lower back is really composed of three areas of the body. 5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5. The cervical spine the neck and upper back composed of the seven vertebrae closest to the skull.

The vertebrae seem to be chained together. Since the spine is encircled by musculature the abdomen spinal muscles and hips are all integral aspect of maintaining a healthy lower spine and therefore lower back. Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum.

The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure. Lumbar spine lower back anatomy and function. Although the entire spine is involved in everyday activities of rest and movement the low back can be vulnerable to many pain provoking disorders.

The lower spine the hips and tailbone and the abdomen. The lumbar region of the spine more commonly known as the lower back is situated between the thoracic or chest region of the spine and the sacrum. Simple sprains and strains from overexertion a herniated disc from a slip and fall degenerative disc disease or spinal stenosis from normal aging and other disorders can cause low back pain.

The lumbar spine the lower back composed of five vertebrae provides support for the majority of your bodys weight. The cervical spine supports the weight and movement of your head and protects the nerves exiting your brain.

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