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A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
A63B22/16—Platforms for rocking motion about a horizontal axis, e.g. axis through the middle of the platform; Balancing drums; Balancing boards or the like