Secondary curve

Definition

Secondary curves are the spinal curvatures that develop after birth, namely in the cervical and lumbar regions, to help humans achieve an upright posture. These curves are convex anteriorly, contrasting with the primary curves present at birth.

Related terms

Primary Curve: The spinal curvatures (thoracic and sacral) that are present at birth, forming a C-shaped curvature in the fetus.

Vertebral Column: The series of bones that extend from the skull to the pelvis, also known as the spine or backbone, which houses and protects the spinal cord.

Lordosis: An exaggerated inward curve of the spine typically seen in the cervical and lumbar regions, representing an extreme form of a secondary curve