Duo Advance is a 2-section treatment couch. Superior treatment can be done by Duo Advance in the seated position. The product gives the patients comfortable when lying in the ventral position through its ergonomical design. For maximum stability in the back section two pneumatic gas springs is provided. The head and shoulder part can be efficiently supported with large back section. It has a strong base for easy examination of flexion and extension functions. 2 section support surface is also there.