that is stretchable or breathable or both the aforementioned fabric or upholstery or upholstery stuffing can be of any conventionally used type synthetic or natural or combination of both conforming to any conventional standards such as dye fastness u v resistance color washability anti static tendency thermal parameters waterproofing fire proofing and any other standard according to the intended use the upholstery may be of any type used for cushioning in chairs but is preferably an egg crate foam type useful for reducing and alleviating bed sores the fabric and or upholstery may have single use disposable components in some embodiments of the invention also in this embodiment the moveable front panels 14 15 and seat 16 are preferably joined by an exterior fabric enclosing all the moveable upholstered panels together thus in this embodiment the novel chair is both ergonomic and comfortable for the user due to the cushioning and the breathable fabric as well as being aesthetically pleasing in a further embodiment of the present invention the exterior side panels 12 are placed so as to hide the mechanism of the tiltable and moveable chair seat thus providing the chair with the appearance of a regular aesthetically pleasing.