The lower back (lumbar spine) is a fairly complex structure. It consists of 5 vertebrates, the lowest is the L4-L5. This section of the spine is responsible for supporting the upper body and ...

L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint connects these bones.

Along with back pain, over the next few days she began ... The MRI scan demonstrated evidence of mild degenerative disc disease at the L4-L5 and L5-S1 interspace without significant compression ...

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 ...

particularly in the L4-L5 and L5-S1 segments. In regard to other spinal changes, spaceflight was associated with moderately decreased range of motion as well as significant disc dehydration and ...

Objectives: To observe the prevalence of lumbar intervertebral disc degeneration in elite athletes as compared with published literature of changes seen in non-athletes—that is, normal population.