“Are you aching, are you aching, brother John, brother John?” Find out how you can avoid being the subject of this children’s rhyme.
Your spine is made up of a series of bones separated by small cushions called discs. If a disc is strained beyond its limit, it can bulge or rupture and put pressure on one of the spinal nerves. This painful condition is called disc protrusion. This animation shows how disc protrusion can develop.