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Bulging Lumbar Disc

Bulging lumbar disc – Note on this disc model how when the front of the disc is compressed (like flexing/bending forward) the disc bulges backward toward the spinal cord and the nerves. This occurs over time with repeated bending from flexing with activities of daily living or with exercises such as crunches and sit ups. The more the spine is flexed, the further the disc bulges back increasing lower back pain and sciatica.