Herniated Disc ExplainedA herniated disc, also known as a slipped or ruptured disc, occurs when the soft inner core of a spinal disc protrudes through the tough outer layer.This can put pressure on nearby nerves, causing pain, tingling, or weakness in the back and legs (if it's in the lower back-sciatica ) or in the neck, arms, or shoulders (if it's in the neck). … [Read more...] about What is a Herniated Disc?