To compare between high-power laser versus pulsed electromagnetic therapy on pain and Hoffman reflex in lumbar radiculopathy.
• Sixty lumbar radiculopathy patients, of both sexes, will represent the sample.
The patient's age will range from 55 to 68 years old.
Patients with degenerative lumbar disc lesion at L5-S1 confirmed by MRI and latency in H- reflex.
Patients with unilateral sciatic radiating pain (from 5 to 8 by visual analogue scale).
Patients with pacemakers and presence of electronic implants.
Pregnant women.
History of or existing malignant conditions, active tuberculosis of the lungs.
Any medical condition that may cause sciatic nerve lesion except lumbar radiculopathy, (e.g., diabetes mellitus or collagen disorders).