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.

The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

A 33 year-old man developed severe low back pain radiating down the left leg. Examination showed an absent left ankle reflex and loss of sensation over the left lateral foot and posterior lateral leg.

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: ...