Lordosis
Alternate Names : Swayback
Definition Lordosis is an increased curvature of the normally curved lumbar spine.
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Overview & Considerations
The spine has three types of curves: - Kyphotic, which typically refers to the outward curve of the thoracic spine (at the level of the ribs)
- Lordotic, which refers to the inward curve of the lumbar spine (just above the buttocks)
- Scoliotic, which is a sideways curvature of the spine and which is always abnormal
A small degree of both kyphotic and lordotic curvature is normal. Exaggeration of the kyphotic curve is described as round shoulders or hunched shoulders (the medical term is Scheuermann's disease). Exaggeration of the lordotic curve is often called swayback (the medical term is lordosis).
This curvature tends to make the buttocks appear more prominent. A child with marked lordosis, when laid on his back on a hard surface, will have a space beneath his lower back and the surface. If the lordotic curve is flexible (when the child bends forward the curve reverses itself) it is generally of little medical significance. If the curve is fixed, it suggests the need for medical evaluation and intervention.
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