Abnormal gesture
Losing the back curvature in sciatica patients is a sign of disc prolapse because of vertebral and back muscle spasm, which limits movements of the spine. In sciatica, a patient’s walking can be painful because of the stretching of the nerve, which makes the patients depend on the healthy leg to decrease the pain on the affected side.
Back pain
This can happen because of spasms of the back muscles, irritation, or inflammation of the nerve roots in the lower back as well as disc prolapse.