You have 12 thoracic dermatomes. Lumbar nerves: There are five pairs from the lower back, numbered L1 through L5. You have five lumbar dermatomes. ... (part of the pelvis), numbered S1 through S5 ...

Lumbar nerves: These exit the lower back region and are labeled L1–L5. Sacral nerves: These exit the base of the spine and are labeled S1–S5. A coccygeal nerve pair : These exit the tailbone ...

Despite greater operative complexity, inclusion of L5-S1 in oblique lumbar interbody fusion may be safe and feasible with no increase in early complications, according to published results. Chirag ...

Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch ...

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 ...

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 ...