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

The lumbar spine rests upon the sacrum. The place where they meet is called the lumbosacral joint, or L5-S1. The muscles in your lumbar spine work with your abdominal muscles to move your torso ...

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 ...

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 ...

It was most common at the L5/S1 ... degree of lumbar disc degeneration than the normal population. A more detailed follow up study should be considered to investigate which particular training ...

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 ...