Elliptical cross trainers are low-impact exercise equipment that allow you to perform HIIT (high-intensity interval training) and steady cardiovascular exercise. Moving handles on the cross trainer will provide upper and lower body exercises that help build your stamina and muscular endurance.Because your feet never take off the pedals, working out on a cross-trainer has less of an impact on your ankles, knees, and other joints than running and other high-intensity cardio exercises.GANAS commercial cross-trainer that combines expert biomechanics, a natural-feeling motion and quiet operation. Extensive biomechanics research has created an elliptical workout where every stride feels smooth and comfortable. The result is an inviting, low-impact cardio option for a wide range of exercisers.