Anatomy Lower Back

5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5. 24 unique vertebrae plus the sacrum and coccyx tail bone at the end of the backbone.

Lower Back Muscles Photo Lower Back Muscles Image Lower

The anatomy of your spine is divided into four sections.

Anatomy lower back. The lower back is really composed of three areas of the body. The lower spine the hips and tailbone and the abdomen. The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure.

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. The vertebrae seem to be chained together. 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. 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. Lumbar spine lower back anatomy and function.

The cervical spine supports the weight and movement of your head and protects the nerves exiting your brain. The spinal column is made up of 26 bones. The cervical spine the neck and upper back composed of the seven vertebrae closest to the skull.

Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum. Although the entire spine is involved in everyday activities of rest and movement the low back can be vulnerable to many pain provoking disorders.

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