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The discs have a tough outer covering of cartilage that provides support (the annulus fibrosus) and a soft, jellylike center that provides the cushioning (the nucleus pulposus). The intervertebral discs have the following functions: They provide cushioning for the vertebrae and reduce the stress caused by impact. By keeping the vertebrae separated from each other, they act as a type of shock absorber for the spine.
However, if the cause of the low back pain stems from an injured intervertebral disc, stretching can exasperate the injury and cause even more pain. The intervertebral disc provides space between the bony vertebrae and functions as a shock absorbing structure.In some cases, injury to this disc can inflame the exiting spinal nerve root and cause pain, tingling, numbness and weakness, or any combination thereof, down your lower extremity.Patients often refer to this as sciatica.owever, if the cause of the low back pain stems from an injured intervertebral disc, stretching can exasperate the injury and cause even more pain. The intervertebral disc provides space between the bony vertebrae and functions as a shock absorbing structure.