Patent ID: 8721506

Claim:
An exerciser comprising: a frame assembly; a movable body support disposed on said frame assembly and constructed and arranged to support an exercising person and allow the body of the exercising person while in supported relation to move with the movable body support; and a foot assembly coupled to said frame assembly and constructed and arranged to be engaged by the feet of the exercising person supported on said movable body support, said foot assembly including an elastic structure, said movable body support being mounted on said frame assembly for movement in a first direction away from said foot support and a second direction toward said foot support and being constructed and arranged to absorb the energy of a movement thereof in the first direction by a user supported thereon and to convert the absorbed energy into a movement thereof with the user supported thereon in said second direction; and said foot assembly being constructed and arranged to yield in response to the engagement of the feet of the exercising person moving with the movable body support in said second direction and to establish, as a result of the yielding, a return movement by the elastic structure in said first direction which can be translated by the exercising person into a movement of said movable body support in said first direction.