What are the causes of Osteoarthritis of the Thoracic and Lumbar Spine (Spondylarthritis; Spondylarthrosis; Spondylosis)?
- 1. Previous injury to the spinal joints
- 2. Previous disease involving the joints (for example, scheuermann’s kyphosis or an
intervertebral disc lesion).
As in other joints the cause of degeneration is unknown, but may be the manifestation of an ageing process in the cartilage tissue.
What are the clinical features of Osteoarthritis of the Thoracic and Lumbar Spine (Spondylarthritis; Spondylarthrosis; Spondylosis)?
On examination in the quiet phase, the objective findings are slight. Spinal movements may be moderately restricted, especially flexion; but there is no muscle spasm. If there is interference with a lumbar nerve root straight leg raising on the affected side is likely to be restricted. Apart from this, objective neurological signs are exceptional. During an acute exacerbation of pain there may be marked impairment of spinal movements, with muscle spasm.