The Zenith 100 Elevation Flexion Table (formerly Cox table) is a excellent tool for lower back care and complements various adjustment procedures. Zenith Flexion Distraction Tables incorporates state-of-the-art features developed through extensive academic research at Palmer College, National Universities, and Loyola University and federal-funded research. No other flexion / distraction table in the world can compete with the Zenith 100 table (formerly Cox table). This Zenith 100 Elevation Flexion Table is just the best. The original flexion and extension table, the Zenith Cox100 table features perfect balance, a sturdy liftable base, and cervical flexion and extension capabilities.