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Sciatica typically affects the lower back, buttock area or back of the leg, depending on where along the nerve the root of the irritation or compression originates, Delaney explains.
1764: Domenico Cotugno describes sciatica as a disease of nervous origin. [89] 1881: Lasegue's sign is described for the diagnosis of sciatica. [90] 1916: Tardy nerve palsy is described in ulnar nerve. [91] 1934: Theory that a spinal disc pressing on the spinal cord can cause sciatica is introduced. [92] 1947: Piriformis syndrome is described. [93]
This referred pain is known as sciatica. Seventeen percent of the population has their sciatic nerve coursing through the piriformis muscle. This subgroup of the population is predisposed to developing sciatica. Sciatica can be described by pain, tingling, or numbness deep in the buttocks and along the sciatic nerve.
Piriformis syndrome is often left undiagnosed and mistaken with other pains due to similar symptoms with back pain, quadriceps pain, lower leg pain, and buttock pain. These symptoms include tenderness, tingling and numbness initiating in low back and buttock area and then radiating down to the thigh and to the leg. [72]
Sciatica is pain going down the leg from the lower back. [1] This pain may go down the back, outside, or front of the leg. [3] Onset is often sudden following activities such as heavy lifting, though gradual onset may also occur. [5] The pain is often described as shooting. [1] Typically, symptoms are only on one side of the body. [3]
A simple way to think of the boundaries is the buttocks, or the tissue anterior to the whole of the gluteus maximus muscle. The specific boundaries (top, bottom, left, right, front, back) are defined as Posterior (back): the gluteus maximus [1] Anterior (front): posterior acetabular column + hip joint capsule + proximal femur [1]