👉 The term "lumbar vertebrae" refers to the spinal bones that make up the lower part of the back, including both the upper and lower cervical vertebrae. These vertebrae are connected by a series of ligaments and discs in between them, which help to stabilize the spine and support its structure. Lumbar vertebrae are divided into two groups: the first group (vertebrae lumbosacral) includes the lumbar vertebrae 1
