Lower Back Muscle Anatomy

This is a tutorial to quickly show you. The latissimus dorsi is the largest and most powerful of your back muscles.

Low Back And Leg Pain Is Lumbar Radiculopathy

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.

Lower back muscle anatomy. Since they extend higher than the collarbone height they are most noticable from the frontal view. 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. Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum.

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

Pain here can be intense and is one of the top causes of missed work. The extensor muscles are attached to back of the spine and enable standing and lifting objects. The lower back which starts below the ribcage is called the lumbar region.

These muscles include the large paired muscles in the lower back called erector spinae which help hold up the spine and gluteal muscles. Back extensor strength and endurance provide stability for the spine maintain posture and control forward flexion. The lower trapezius middle trapezius and upper trapezius fibers.

It does not permit twisting. Fortunately low back pain often gets better on. Clinical significance edit.

It lowers your shoulders away from your ears. The traps consist of three sections of muscle fibers. Weak back muscles increase stress on the spine and can cause compression.

Although they actually reach all the way down to the lower back region. The lower back lumbar vertebrae allows for flexibility and movement in back bending extension and forward bending flexion. The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure.

Weak abdominals exaggerate anterior pelvic tilt causing strain on the back extensor muscles. 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. Lower back pain can be irritating but it can be healed.

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