The origin of sciatica includes the following:
1. Prolapsed intervertebral disc pressure, infection, and traumatic sciatic neuritis, perineural fibrositis, infections and tumors of the spinal cord.
2. Lumbosacral and sacroiliac sprain and strain, degenerating intervertebral discs, fibrositis, osteomyelitis, hip joint disease, and secondary carcinomatous deposits in bone.
3. Nephrolithiasis, prostatic, renal, and anal disease.
4. Toxic and metabolic disorders, conversion hysteria, and arterial insufficiency.
1. When the patient is in the supine position with both lower limbs resting straight out on the table, dorsiflexion of the great tor elicits pain in the gluteal region.
2. The sign is significant for sciatic radiculopathy.