A 28 year-old man developed low back pain radiating down the right leg. Examination showed an absent right ankle reflex, weakness of right knee flexion and ankle plantar flexion, and patchy loss of ...
Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch et ...