Sydney Spine & Pain

Protruding disc

Disc Protrusion, Bulging Disc

A bulging disc injury is a common spine injury sustained to your spine's intervertebral disc.

It can occur in your lumbar spine (lower back), thoracic spine (upper and mid-back) or your cervical spine (neck).

A bulging disc is commonly referred to as a slipped disc or a protruding disc. When significant disc protrusion occurs to the point where it causes the disc nucleus to come out of the annulus, it is known as a herniated disc.

What Causes a Protruding disc (bulging disc)?

When a protruding disc (bulging disc), disc herniation or disc rupture if often the result of:

  • a pre-existing weakness in the annulus.
  • a sudden increase in pressure through the disc causing fibres of the annulus to tear.
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