spondylolisthesis avoid flexion or extension

What is a Lumbar Spondylolisthesis? Lumbar Spondylolisthesis is a condition involving spine instability, which means the vertebrae move more than they should. A vertebra slips out of place onto the vertebra below. It may put pressure on a nerve, which could cause lower back pain or leg pain. The word spondylolisthesis (pronounced spohn-di-low-less-THEE-sis) comes from…