Yesenia is a 37-year-old patient with lumbar disc herniation who reports pain radiating to the posterior thigh. During treatment, repeated lumbar extension causes leg pain to resolve but increases central low back discomfort. Which intervention is MOST appropriate to continue?
A) Discontinue extension due to increased lumbar pain
B) Progress lumbar flexion exercises to reduce spinal compression
C) Continue repeated lumbar extension within tolerance
D) Introduce hamstring stretching to reduce neural tension