A 55 year-old woman complained of pain in the back, buttocks and thighs after walking a short distance. The pain was relieved with sitting, but not standing. Her neurological examination was normal.

Spondylosis, or spinal osteoarthritis, results from the degeneration of spinal discs and joints as a person ages, which can lead to stiffness and pain. Risk factors for spondylosis include genetics, ...