Muscle Anatomy Lower Back

Anatomy of the back muscles. 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.

Low Back Dysfunction For Acute And Chronic Injuries

The spinal cord and its nerves are the means by which the body and brain communicate with one another.

Muscle anatomy lower back. Related posts of muscles of the lower back and hip diagram diagram human muscular system. They also support and protect your vertebrae meaning that stronger spinal erectors lead to improved posture and core stabilization. It starts all the way down in your lower back climbs up to the middle of your back and stretches out into your shoulder.

It lowers your shoulders away from your ears. Pain here can be intense and is one of the top causes of missed work. These muscles include the large paired muscles in the lower back called erector spinae which help hold up the spine and gluteal muscles.

You can protect the back muscles by bending from the hip and knee when you lift objects from the ground. The erector spinae muscles or spinal erectors line your spinal column from the lower to the upper back. The flexor muscles are attached to the front of the spine and enable flexing bending forward lifting and arching the lower back.

The spinal erecotrs allow you to flex and extend your back in any given direction. 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 lower back which starts below the ribcage is called the lumbar region.

The lower part actually does the opposite of what the upper part does. The muscles of the low back work together with the transverse abdominal muscles to increase intra abdominal pressure. The latissimus dorsi is the largest and most powerful of your back muscles.

Also in the back are the teres major teres minor trapezius rhomboids erector spinae. The latissimus dorsi muscles also known as the lats are the largest muscles of the back. Diagram human muscular system 6 photos of the diagram human muscular system diagram human circulatory system diagram human digestive system diagram human endocrine system diagram human muscles diagram human nervous system diagram human reproductive system diagram human respiratory system.

Lower back muscle anatomy includes the multifidus longissimus spinalis and quadratus lumborum. Fortunately low back pain often gets better on. The muscles in all of the layers are innervated by the posterior rami of spinal nerves.

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 and superficial muscles. Injuries of the intrinsic back muscles often occur while using improper lifting technique.

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