In-place swimming apparatus
Incentive spirometer
Incinerable article of funerary ornamentation
Inclinable rotary platform apparatus for physical training, part
Inclined exercise bar system
Inclined-axis pendulum swing
Inclining coffin
Incrementally rotatable teeter-totter
Indoor jungle gym assembly
Indoor outdoor exercise chair
Indoor ski slope and apparatus for making snow thereon
Indoor structure that simulates an outdoor environment
Indoor vaulting box
Indoor-rollbike apparatus
Inertia mechanism in gymnastic bicycles or the like
Inertial cycle exerciser
Inertial force exercise device having three independent rotation
Inertial force, accommodating resistance exercise device and met
Inertial phonograph device
Infant exerciser