Understanding the Condition
What Is a Slipped Disc?
A slipped disc — medically known as a herniated or prolapsed disc — occurs when the soft, gel-like centre (nucleus pulposus) of a spinal disc pushes through a tear in the tougher outer ring (annulus fibrosus). The displaced material can press against nearby spinal nerves, causing pain, numbness, or weakness that radiates into the arms or legs depending on the affected level. Slipped discs most commonly affect the lumbar spine (lower back), particularly the L4–L5 and L5–S1 segments, though cervical (neck) herniations are also frequent. It is one of the leading causes of sciatica and lower back disability in adults aged 25–55.