Do Elliptical Machines Work?

In today’s fitness minded society, people are trying new fitness equipment that comes out on the market every day. There are a growing number of machines that target one or more of the bodies muscle groups. One piece of fitness equipment that is growing in popularity is the elliptical trainer. The question is: Do Elliptical Machines work?
Studies show that they are one of the most effective exercise machines available today. The other popular choice is the <a target="_blank" href="http://www.