FunWhat is sciatica?

What is sciatica?

Sciatica manifests as a dull and sometimes excruciating pain that radiates along the path of the sciatic nerve . Sometimes the torture affects its entire length, that is, from the buttock to the external scrum, the bony eminence of the ankle, passing through the back of the leg and below the knee.

The pathology usually appears due to an alteration of an intervertebral disc. This kind of shock absorber is made up of two structures: a gelatinous core, which acts as a shock absorber, and a fibrous envelope, which holds it in place. Well, it can happen that the nucleus pulposus presses the fibrous envelope and bulges it, without breaking it. In that case, doctors speak of disc protrusion. If you tear it, then some of the internal fluid comes out of the sheath and invades the foramen, the hole through which the nerve of the spinal cord exits. When this happens, a herniated disc has occurred. The disc fragment can compress the nerve root and cause the sciatic nerve to become inflamed and even more pinched.

Sciatica is also associated with certain bone abnormalities, Paget's disease, osteoarthritis, and certain intravertebral tumors.

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