Low Back Anatomy

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 lumbar spine the lower back composed of five vertebrae provides support for the majority of your bodys weight.

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Low back anatomy. Spinal stenosis is a narrowing of the space around the spinal cord which can put pressure on the spinal nerves. The vertebral column consists of seven cervical discs twelve thoracic discs five lumbar discs and then the sacrum which is a fusion of five discs. While a muscle strain doesnt sound like a serious injury it can lead to issues in the lower back can cause severe pain.

Anatomy of the back the back is extensive and consists of many muscles that run all the way up to the occipitus. Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum. Several chronic conditions can lead to low back pain.

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 vast majority of episodes of lower back pain are caused by muscle strain. The lumbar spine low back is the third major region of the spine.

Muscle anatomy of the lower back a complex web of small subtle muscles and large powerful muscles make up the muscles of your back. These bones work together to provide flexibility to the trunk support the muscles of the trunk and protect the spinal cord and spinal nerves of the back. Spondylitis refers to chronic.

The vertebral column of the lower back includes the five lumbar vertebrae the sacrum and the coccyx. These muscles are responsible for controlling and gently moving one of the most precious parts of your skeleton your spine. The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure.

Before going into the musculature we have to know the vertebral column. It is below the cervical spine and thoracic spine figure 1. Most people have five bones vertebrae in the lumbar spine although it is not unusual to have six.

The thoracic spine the middle back made up of the 12 vertebrae in between the cervical and lumbar spine. The good news is that soft tissues have a good blood supply which brings nutrients to the injured area facilitates the healing process and often provides effective relief of the back pain.

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