https://www.dekut.com/Health/herniated-disc-treatment-symptoms-and-condition-with-video/ Lower back pain is caused by a herniated disk, which involves a degeneration or rupture of the discs that support the vertebrae. A herniated disk occurs when the outer ring in the disk ruptures so that the soft jelly like substance in the middle leaks and presses against the nerve tissue. Tue, 13 Jan 2015 10:40:33 UTC en