Lumbar curve

Definition

The lumbar curve is the inward curve of the lower back in the vertebral column, consisting of five vertebrae located between the thoracic vertebrae and sacral curvature. It plays a critical role in distributing mechanical stress during movement and providing flexibility to the spine.

Related terms

Thoracic Curve: The outward curve of the spine located in the mid-back region, comprising twelve vertebrae that connect to the ribs.

Sacral Curvature: The backward curve located at the bottom of the vertebral column, formed by five fused sacral vertebrae that connect the spine to the pelvis.

Intervertebral Discs: These are pads of fibrocartilage situated between adjacent vertebrae that act as cushions and facilitate movement in the spinal column