Lower Back Bone Anatomy

Bones of the pelvis and lower back. 5 lumbar vertebra or the lower backl1 l2 l3 l4 and l5.

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Muscles of the lower back anatomy include the multifidus longissimus.

Lower back bone anatomy. 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. Below the lumbar spine is a bone called the sacrum which makes up the back part of the pelvis. The anatomy of your spine is divided into four sections.

24 unique vertebrae plus the sacrum and coccyx tail bone at the end of the backbone. Fortunately low back pain often gets better on. 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 cervical spine supports the weight and movement of your head and protects the nerves exiting your brain. Pain here can be intense and is one of the top causes of missed work. The lumbar and sacrum region make up the bone of the lower back anatomy.

The purpose of the spinal column is to protect the spinal cord from injury and support the head neck and torso. An inside look at the structure of the back. The thoracic spine the middle back.

The vertebral column of the lower back includes the five lumbar vertebrae the sacrum and the coccyx. This bone is shaped like a triangle that fits between the two halves of the pelvis connecting the spine to the lower half of the body. The bones of the pelvis and lower back work together to support the bodys weight anchor the abdominal and hip muscles and protect the delicate vital organs of the vertebral and abdominopelvic cavities.

The muscles of the lower back help stabilize rotate flex and extend the spinal column which is a bony tower of 24 vertebrae that gives the body structure and houses the spinal cord. The lower back which starts below the ribcage is called the lumbar region. The lower back is especially vulnerable to injury or degeneration because it must support the majority of the pressure.

Anatomy of the lower back. Lumbar spine lower back anatomy and function. Your spinal column is a complex structure with many moving parts.

The spinal column is made up of 26 bones. The lumbar spine the lower back composed of five vertebrae provides support for the majority of your bodys weight. The spinal cord is contained within the vertebrae of the spine running through the vertebral foramen and branching out to the peripheries through the intervertebral foramen.

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 vertebrae seem to be chained together.

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