TRAINING APPARATUS Russian patent published in 1997 - IPC

FIELD: sports equipment. SUBSTANCE: apparatus has base, body holder with belt, foot rest with fasteners, carcass with three annular frames and at least three like boards. Two frames are concentrically fixed on base and third frame is positioned above two frames and connected with outer frame so that inclination angle of third frame may be adjusted. Boards are pivotally connected with their one end to inner frame of base and with their other end to upper frame and spring-loaded relative to it. Boards are equally spaced along perimeter of annular frames. Body holder is formed as sleeve mounted on base for rotation. Bottom part of sleeve is formed as spherical segment, whose center of gravity is positioned below its geometrical center. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 6 cl, 1 dwg