An elliptical trainer is a stationary machine for exercise which is used to simulate running, walking and stair climbing without causing any excessive pressure to the joints, hence decreasing the impact injuries risk. This is the reason why people who have some injuries use this elliptical trainer to stay fit. It is also known as cross-trainer. It came in to the market in the year 1990s.
A non-cardiovascular workout is offered by these elliptical trainers that vary from light to high intensity which is based on the exercise speed and resistance preference which is set by the user. It is an example of a weight-bearing form of exercise that is why the elliptical trainers are considered to be minimal-impact. These trainers can be self-powered by a user generated motion or these can be plugged in for adjustments of motion or for supplying their resistance systems and electric consoles. There are three kinds of it which are the real drive, the front drive and center drive.