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lumbosacral plexus. a grouping of nerves which stem from the lumbar + sacral portion of the spinal cord. the lumbosacral plexus provides the predominance of the nerve innervation for the lower limb.

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Illustration of sciatic nerve shows the L4-S3 spinal nerves, the sciatic notch, piriformis muscle, common fibular and tibial nerves. Description of sciatica and common causes of sciatica.

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The central nervous system, which is protected by the spinal column and the cranium, controls the function of all the cells, tissues and organs of the human body.

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Symptoms of Sciatica- Pain, tingling or numbness that radiates through the lower back, buttocks, and down the back of the leg possibly as far as the foot. Pain starts slowly and worsens after standing, sitting, bending backward, walking or sleeping at night #mendmyhip #backpain

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