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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.

"Sciatic" nerve pain better explained: pain down the leg broken up via each nerve root from each vertebra and where each causes sensation to occur.

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Anatomy of the leg CURIOUS~wondering what is involved with our restless leg syndrome..... nerves~muscles~both?

Anatomy of the leg CURIOUS~wondering what is involved with our restless leg syndrome..... nerves~muscles~both?

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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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If you suffer from pain deep inside your hip as you stand, climb stairs or walk, it's possible that your piriformis muscle is tight, inflamed or irritated. The piriformis muscle runs along the inside of your hip bone and connects the sacrum, found at the bottom of your spine, to the top of your thigh bone, or femur. The sciatic nerve typically runs beneath it; however, in some cases, the sciatic nerve actually runs through the piriformis muscle. Inflammation or tightness of the piriformis…

Muscles of the Shoulder Name Origin Insertion Pectoralis Major - clavicular part - medial anterior clavicle - sternal ...

from LIVESTRONG.COM

Does Exercise Cause Sciatica?

The sciatic nerve is the largest and longest nerve in the body. Formed by a bundle of nerves in the lumbar spine, the nerve exits the spinal column at the lower back, runs through the hip and down the back of the leg to the sole of the foot. When the nerve becomes irritated or inflamed, it causes a condition known as sciatica--pain, tingling and...