Abstract: A manually operated wheelchair user exercise device comprising a pair of ramps each including an open front end and a barriered rear end, it being arranged so that their front ends extended in the same direction and are jointly tiltable between a downwardly inclined forwardly facing position and a level position, with the ramps at their respective rear ends each journaling a plurality of rollers that are flywheel effect equipped and that are spaced apart longitudinally of the respective ramps, which rollers are exposed at the top of the ramps, and including a manually operated mechanism for simultaneously tilting the ramps between a tilted wheelchair receiving position, in which the wheelchair user can back his chair onto the ramps while seated in the wheelchair, with the wheelchair rear wheels reaching and resting on the respective sets of ramp rollers, several of which are braked in the ramp tilted position, and the ramp level position, in which the wheelchair front wheels are braked and the wheelchair user