Abstract: An orthopedic device for improving posture while sitting, having a foundation member including a front portion for upper legs and a bowl portion for lower pelvic area. The bowl portion has a central portion and an upwardly inclined lateral portion. The lateral portion and the front portion collectively surround the central portion. A platform portion is connected with a concave recessed portion. An arm portion is connected to the platform portion. The central portion has plural regions of varying flexibility and the lateral portion has plural regions of varying flexibility. A seating apparatus is connected with the orthopedic seating device.