Abstract: Wheelchair trainer apparatus for use with a three-wheel racer wheelchair and which may be effectively utilized as part of a computerized system for physiological training and simulated road race training. A jack supports the wheelchair frame such that the drive wheels just make frictional driving contact with the crest of one of two of the trainer's rollers. Undesired drag, caused by the weight of the wheelchair and its user, is substantially decreased or virtually eliminated, enhancing the trainer's ability to simulate real road conditions.

Abstract: Wheelchair trainer apparatus for use with a four-wheel everyday or sports wheelchair. The trainer includes a support plate carried by the trainer frame for holding the wheelchair front caster wheels in a position such that the wheelchair drive wheels drivably contact a roller with the center of each of the drive wheels directly vertically above the roller's rotational axis. In a preferred embodiment, the plate alternatively holds the wheelchair front caster wheels in a second position such that the wheelchair drive wheels drivably contact a second roller with the center of each of the drive wheels directly vertically above the second roller's rotational axis.