Exercise apparatus

Details Exercise apparatus Exercise apparatus

1992-06-18

1993-08-03

Apley, Richard J.

Exercise devices

Involving user translation or physical simulation thereof

Occupant propelled support frame having movement...

482 66, A63B 2220

Patent

active

052324230

ABSTRACT:
Apparatus for exercising and developing lower extremity muscles including a concave track in a form of a circular segment having a predetermined radius and a platform movable along the track. The track is so configured as to allow the primary axis of a user's body to remain essentially normal to the portion of the track in registry with the platform during use so that reactive forces from the track will be directed substantially along the primary axis to promote stability.

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patent: 4846463 (1989-07-01), Kleinnibbelink
patent: 4906192 (1990-03-01), Smithard et al.
patent: 4946160 (1990-08-01), Bertoletti
patent: 4953858 (1990-09-01), Zelli

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