Spine & Sports: Do Disks Really 'slip?'

Have you ever heard the expression, “I slipped a disc!” when someone described the source of their low back pain? While “slipping a disc” is something of a misnomer, a little anatomy lesson will uncover what really happens to the discs in your spine.Between the hard vertebral bones of the spine are flexible structures called discs, intervertebral discs to be exact, that are composed of fibrocartilage: imagine rubber infused with cotton fibers.