You need to know that a joint most often becomes tight and painful when your spine is overly extended, as it compresses the joint. In the low back, this overly extended position also leads to a very weak core (or vice versa). If you discover that you’re overly extended, waking up your abs (aka rectus abdominus) will help pull your out of the misalignment - as seen in this video. However, being overly extended may only be a piece of the pie of the misalignments of your spine. You’ll address and f