The thoracic spine is part of your spinal column and is composed of 12 bones that are stacked one upon another. The thoracic spine is located between your cervical and lumbar spines, and it serves as ...

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...