Anterolisthesis is an atypical alignment of bones in the spine, usually affecting the lower back. It occurs when an upper vertebra slips forward on the one below, leading to pain and other symptoms.

Pls help I had a L4/5 fusion last year Nov 2006, lately I've been having losts of pressure (pain) on my right side down the sciatica area and pressure on the buttock area what can be causing this? Ps: ...