David Borenstein

Ankylosing spondylitis and rheumatoid arthritis are disorders that cause marked alterations in the structure and function of the axial skeleton. Ankylosing spondylitis causes calcification of spinal structures causing limited motion. Rheuma…

Most episodes of low back pain are mechanical in origin and resolve within a 12-week period. These acute episodes of back pain are associated with muscle strain and intervertebral disc herniation with radiculopathy. A smaller proportion of …