Get advanced Expert Disc Surgery in Chennai at Total Spine, led by top disc surgery specialist doctors in India, ensuring exceptional care and successful outcomes. In addition to cushioning the bones, these discs act as shock absorbers. A herniated disc is a herniated disc that extends beyond the capsule surrounding the disc and pushes into the spinal canal. A herniated disc can occur anywhere along the spine and can also occur in the neck, but most commonly in the lower back (lumbar spine).