What is lumbar radiculopathy?

Lumbar radiculoparhy. Refers to disc in lumbar spine bulging or herniating pressing on nerve leading to symptoms of pain, numbness and sometimes weakness in lower extremity.
Irritation. Irritation of a nerve in the lumbar spine causing a variety of symptoms running into the leg.
Nerve pain. There are a few common causes of lumbar radiculopathy. It is pain coming from a pinched nerve. The nerves are most often pinched by discs, bony spurs, or overgrown ligaments. Rarely, the nerves can be compressed by tumors or infection.
See below. Nerve irritation caused by damage to the discs between the vertebrae. Damage to the disc occurs because of degeneration ("wear and tear") of the outer ring of the disc, traumatic injury, or both.