A63B 22/203

Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements using rollers, wheels, castors or the like, {e.g. gliding means,} to be moved over the floor or other surface, {e.g. guide tracks,} during exercising {for moving a support element in reciprocating translation, i.e. for sliding back and forth on a guide track in a horizontal plane}