Research into leg pain patterns from damaged L5 and S1 nerve roots used MRI to analyze spinal injuries and found 50% to 80% of injuries corresponded to dermatome sensations. Shingles, also called ...

Disc herniation at L5-S1 is also possible and is a common cause of sciatica—a problem with the sciatic nerve that can cause ...

Inspection of his lower leg revealed marked muscle wasting with prominent fasciculations in the L4-S1 distribution ... consistent with a partial sciatic nerve injury, most likely secondary ...