Medically reviewed by Isabel Casimiro, MD, PhD Fact checked by Jillian Dara The lumbar spine includes the five vertebrae in ...

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

and a disc separates most of the vertebrae and acts like a cushion to absorb shock along the spine. Each vertebra is numbered and grouped into 5 regions. Diagram. There are 7 cervical vertebrae in the ...

The lumbar spine related hamstring is considered to be an injury that presents clinically ... 14 A posterior approach would be technically easier, but would involve far more surgical trauma of muscles ...