The lumbar spine usually curves slightly inward, called lordosis. Problems with the lumbar spine may cause pain and limited motion in your back or hips. In a normal, healthy spine, the five lumbar ...

which is an abnormal curvature of the spine in the thoracic area (back spine part of the rib cage). Lordosis is also an abnormal curvature on the spine, but it’s typically the lumbar part of the ...

Located in between the lordotic cervical and lumbar curves is the opposing curve of the thoracic spine. Called a kyphosis, the thoracic curve sweeps backward, and together with the other two ...