Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility

Official title: with elements, {i.e. platforms,} having a circulating, {nutating} or rotating movement, generated by oscillating movement of the user, {e.g. platforms wobbling on a centrally arranged spherical support}(hoop exercising apparatus A63B19/00; {eccentric weights put into orbital motion by nutating movement of the user A63B21/0608; pots rotating or rocking by moving the whole body A63G23/00})

A63B22/18 (Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility) appears on 439 US grants and 481 published applications in this corpus.