Facet joints are joints in the spine that allow people to bend and twist. People who experience facet joint pain may find that exercises involving bending backward or twisting the torso worsen the ...

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 ...