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Researchers are studying patients with lumbar discogenic lesions who experience sciatica, a type of nerve pain that can limit movement and cause discomfort. The study aims to assess the effect of adding a specific manual therapy technique called two-leg rotation, part of the Mulligan Concept, to standard physical therapy. This technique is proposed to relieve sciatic pain by opening spaces around nerve roots but lacks strong clinical evidence so far. Participants receive either standard physical therapy, which includes transcutaneous electrical nerve stimulation, ultrasound, superficial heat, and pelvic tilting exercises, or the same standard therapy plus the two-leg rotation manual technique. The two-leg rotation involves a therapist guiding the patients legs and pelvis through specific movements designed to reduce nerve compression. The intervention lasts for 4 weeks. During the study, participants will be evaluated at the start and after 4 weeks for pain levels using the numeric pain rating scale, flexibility through the passive straight leg raise test, functional ability with the Oswestry disability index, and sciatica bothersomeness and frequency using a specific scale. The study uses randomized assignment and double masking to compare the effects of the treatments. This research will help clarify the clinical usefulness of the two-leg rotation technique in managing sciatica.