Search results
Results from the WOW.Com Content Network
Commercial elliptical trainer (rear drive version) Row of elliptical trainers at a gym ElliptiGO trainers are elliptical but not stationary. An elliptical trainer or cross-trainer is a stationary exercise machine used to stair climb, walk, or run without causing excessive pressure to the joints, hence decreasing the risk of impact injuries.
StreetStrider is the brand name for a mobile elliptical trainer. It was developed by David W. Kraus, [2] who wrote the patent for the device. [3] The StreetStrider duplicates the motion of a stationary elliptical trainer in a mobile device.
Ellipticals (elliptical machines) are a combination of stair-climbing and a treadmill. Generally it contains two tracks upon which the user stands. Users describe an elliptical motion (hence the machine name) while walking or jogging. Some ellipticals have magnetic resistance controls that add difficulty to doing the motion.
At the time, the Pauls were making the Flip Ski (a crutch ski used by leg-handicapped downhill skiers) as a part-time mail order business in their basement. Several of their first machines were branded "Nordic Jock", as their original market was anticipated to be college ski racers. The product's name was changed to NordicTrack.
This page was last edited on 12 February 2006, at 05:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
An ellipsograph is a trammel of Archimedes intended to draw, cut, or machine ellipses, e.g. in wood or other sheet materials. An ellipsograph has the appropriate instrument (pencil, knife, router, etc.) attached to the rod. Usually the distances a and b are adjustable, so that the size and shape of the ellipse can be varied.
BowFlex is the brand name for cardio and strength fitness training equipment. [25] [12] The first BowFlex product, BowFlex 2000X home gym, was created in 1986. [12] BowFlex products now range from cardio machines, [26] to adjustable dumbbells [27] and home gyms. [28]
The cam can be seen as a device that converts rotational motion to reciprocating (or sometimes oscillating) motion. [clarification needed] [3] A common example is the camshaft of an automobile, which takes the rotary motion of the engine and converts it into the reciprocating motion necessary to operate the intake and exhaust valves of the cylinders.