A CT scan of a 32-year-old ballet dancer who had intermittent low back pain radiating to the back of her left leg during leg extension movements. It reveals arthrosis of the L5-S1 facet joints.

Lumbar spondylosis refers to degenerative changes of the lumbar spine. Facet joint hypertrophy, thickening and bulging of the ligamentum flavum, outward bulging of the intervertebral disc ...

The terms arthrosis and arthritis are ... periods of low disease activity Usually one joint Ankylosing spondylitis (AS) Mainly the base of the spine but also the knee, ankle, and hip Gradual ...