Also called a ruptured or prolapsed disc, this painful disorder occurs when a portion of the disc protrudes into the spinal canal after a tear in the disc. Tears are caused by degeneration, wear and tear or trauma. Traumatic injuries . Except for a few instances, such as an accident, back pain is largely preventable. But you must first learn to protect your back.
Correct posture is one way.
While sitting, make sure your lower back has enough support. Ask for an ergonomically designed chair at work, or if that's not possible, place a rolled towel at the small of your back. Also, take time to walk and stretch at least once an hour throughout the workday. At home, sleep on your back with a small pillow under your knees, or on your side with a pillow between your knees. These positions provide the most back support.