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 ...

‘The Rookie,’ ‘911’ and ‘Will Trent’ will also return next season. By Rick Porter Television Business Editor ABC has locked in most — but notably, not all — of its scripted series ...