Lower Back Muscles Anatomy

It starts all the way down in your lower back climbs up to the middle of your back and stretches out into your shoulder. Three types of back muscles that help the spine function are extensors flexors and obliques.

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Large muscles in your lower back support your spine and these muscles power your twisting and bending movements.

Lower back muscles anatomy. The latissimus dorsi is the largest and most powerful of your back muscles. Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum. The extensor muscles are attached to back of the spine and enable standing and lifting objects.

This naturally occurring curve is known as lordosis. It lowers your shoulders away from your ears. Strained lower back muscles are a common cause of lower back pain.

The lower part actually does the opposite of what the upper part does. Anatomy of the lower back muscles diagram diagram of lower back muscles pain lower back muscles diagram pain lower back muscles of the human body muscles of the lower back and buttocks diagram. The muscles of the abdomen lower back and pelvis are separated from those of the chest by the muscular wall of the diaphragm the critical breathing muscle.

The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure. Lying exposed between the protective bones of the superiorly located ribs and the inferiorly located pelvic girdle the muscles of this region play a critical role in protecting the delicate vital organs within the abdominal cavity. The lumbar spine typically curves slightly inward.

These muscles include the large paired muscles in the lower back called erector spinae which help hold up the spine and gluteal muscles.

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