Lumbar (lumbalis; Latin lumbus - lower back) is a term referring to the lumbar spine or lumbar region.
The lumbar spine includes 5 vertebrae (L1-L5) located in the lower back. This section ensures mobility of the lower back and bears the main load when bending and turning the body.
The lumbar region is the lower back, the area of the back between the lower ribs and the pelvis. This area contains the muscles and ligaments that support the spine.
The term "lumbar" is used in anatomy and medicine to refer to structures related to the lumbar region:
- Lumbar vertebrae
- Lumbar muscles
- Lumbar spinal nerves
- Lumbar puncture (a puncture in the lumbar region to obtain cerebrospinal fluid)
- Lumbodynia (low back pain)
- and etc.
Thus, the term "lumbar" indicates belonging to the lumbar spine and lumbar region.