L5-S1 is one of the two most common sites for back surgery. The other is the area just above, called L4-L5. In the low back, ...

A herniated disc. Your L4-L5 disc, in between the vertebrae is the most likely to herniate.When this happens, the inner ...

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., ...

The MRI scan demonstrated evidence of mild degenerative disc disease at the L4-L5 and L5-S1 interspace without significant compression of neural structures, with normal appearing vertebral bodies ...

They also experienced moderate to severe muscle hypertrophy in the lumbar multifidus, particularly in the L4-L5 and L5-S1 segments. In regard to other spinal changes, spaceflight was associated with ...

Report of a rare complication - fracture of the pedicles - in a patient with total disc replacement of L5-S1, a surgical resolution, and a biomechanical explanation. To the authors' knowledge, there ...

Results The ICL was marked from L2/3 to L5/S1. In 25 babies (83%), the ICL was identified at the desired vertebral level between L3/4 and L4/5. The intervertebral space above this line was marked ...

In each simulated rowing position, axial scans were obtained at the level of the L4–5 and L5–S1 disc interspace to determine the cross sectional area of the posterior trunk muscles. Results: ...