How Do I Use Elliptical Exercise Machines?

Описание: How Do I Use Elliptical Exercise Machines?. Part of the series: Using Gym Equipment. Elliptical exercise machines are low-impact machines for exercising the legs. Use these for cardio and strength building with help from a certified exercise trainer in this free video. Read more: http://www.ehow.co.uk/video_8145891_d...