Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Lordosis is an inward curvature of the spine, typically observed in the lower back. This condition can be a normal posture or indicate a medical issue when the curve becomes excessive.
Related terms
Spinal curvature: A general term describing any form of deviation from the normal straight or slightly curved alignment of the spine.