Medically reviewed by Brigid Dwyer, MD The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral ...

To diagnose an L5 radiculopathy the clinician focused on the straight leg raise test, sensory loss in the L5 dermatome, and the muscle power for the hip abduction, ... L4: 3: 2.6: L5: 30: 25.9: S1 ...

The tests were the straight leg raising test, and tests for motor muscle strength, dermatome sensory loss, and reflex impairment. Magnetic resonance imaging ... L4: 1: 0.9: L5: 12: 10.3: S1: 17: ...

A lumbar epidural catheter may be used to induce anesthesia and analgesia. ... which corresponds to the L4 and L5 dermatomes. 3 Important posterior landmarks include the inferior border of the ...

L5-S1 degenerative disc disease is a common pathologic entity, and many surgical interventions have been entertained for the treatment of this condition. It has been my experience that indications ...

In a single-center trial, we randomly assigned patients with sciatica that had lasted for 4 to 12 months and lumbar disk herniation at the L4–L5 or L5–S1 level in a 1:1 ratio to undergo ...