There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral vertebrae, which are fused as one bone and ... The University of Alabama at Birmingham Spinal Cord Injury Model System provides ...

The vertebrae of the lumbar spine are numbered L1 through L5; the “L” stands for “lumbar.” They are: L1 : This vertebra begins the lumbar spine after the thoracic spine ends.

Study design: A theoretical model of spinal stability is proposed. Objective: To present a biomechanical study in vitro using flexibility and loading tests of the normal lumbar spine and of two ...

Spinal fusion. This is the most common surgery for chronic nonspecific back pain with degenerative changes. The doctor will join spinal bones, called vertebrae, together.

Surgical Treatment for Spinal Compression Fractures. When chronic pain from a spinal compression fracture persists despite rest, activity modification, back bracing, and pain medication, surgery ...