AN ORTHOPEDIC CHAIR FOR TREATMENT AND PREVENTION OF SPINAL DISEASES

The seat has a shape that matches the natural contours of an occupant's buttocks, thighs, and upper legs, wherein; The seat's concave backward portion connects to the concave lowest portion of the said scat back, creating a dedicated concave /one that contours the occupant's buttocks closely; the seat's concave backward portion has in its center a small hump that contours tightly an occupant's sacrum and coccyx if his buttocks are fitting inside the dedicated concave zone: the seal's forward portion has a wide W- shape that contours the occupant's upper legs and the scat back contours the occupant's back, wherein the seal back is height - adjustable to ensure that it well contours the occupant's spine; the seat back is positioned in a way that the occupant's back stays at an angle close to verticality. with his upper legs at an angle that is slightly greater than 90 degrees to the body's alignment.

The seat has a shape that matches the natural contours of an occupant's buttocks, thighs, and upper legs, wherein; The seat's concave backward portion connects to the concave lowest portion of the said scat back, creating a dedicated concave /one that contours the occupant's buttocks closely; the seat's concave backward portion has in its center a small hump that contours tightly an occupant's sacrum and coccyx if his buttocks are fitting inside the dedicated concave zone: the seal's forward portion has a wide W- shape that contours the occupant's upper legs and the scat back contours the occupant's back, wherein the seal back is height - adjustable to ensure that it well contours the occupant's spine; the seat back is positioned in a way that the occupant's back stays at an angle close to verticality. with his upper legs at an angle that is slightly greater than 90 degrees to the body's alignment.