An exercise machine is used interactively with a video monitor and an audio loudspeaker to
create a physical sensation through a 3-D environment. A recumbent exercise bicycle with
an attached monitor is suspended from an outer supporting frame by utilizing a four-bar
linkage. A rolling action is created by pulling individually the crank and lever of the four-bar
linkage; turning action, by moving the crack and lever laterally. A pitching action is created
by pushing or pulling on a handlebarmounted on the outer frame. The rate of motion through …