et your heart racing with elliptical machines from JeRS AC Gym Equipment for homes and commercial fitness facilities. Elliptical trainers offer low-impact, easy-to-use cardio solutions for those seeking aerobic fat burning exercise without stressing joints. Both elliptical machines and cross trainers double up the workout by offering upper body engagement during the cardio motion as well. Whether you have joint issues or just looking for a more varied cardio workout, elliptical machines and cross trainers are your answer.