You can find workout equipment that are designed to simulate cycling, walking and running, kayaking, rowing, skiing and stair climbing. These machines offer good cardio workouts that burn calories and fat. Some of the more popular types of aerobic execise equipment includes the cross-country ski machine, elliptical trainers, rowing machines, stair-steppers, stationary bicycles and treadmills. The elliptical trainers provide a nearly impact-free workout which is easy on the joints. On many of the models, the resistance and grade can be adjusted automatically or manually.